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Look up Variable, variable, or variables in Wiktionary, the free dictionary. Wikiversity has learning resources about Variable Variable may refer to:...

environment variable is a user-definable value that can affect the way running processes will behave on a computer. Environment variables are part of...

A control variable (or scientific constant) in scientific experimentation is an experimental element which is constant (controlled) and unchanged throughout...

Look up hidden variable in Wiktionary, the free dictionary. Hidden variable may refer to: Confounding, in statistics, an extraneous variable in a statistical...

A variable is considered dependent if it depends on (or is hypothesized to depend on) an independent variable. Dependent variables are the outcome of the...

In an optimization problem, a slack variable is a variable that is added to an inequality constraint to transform it into an equality constraint. A non-negativity...

Variable bitrate (VBR) is a term used in telecommunications and computing that relates to the bitrate used in sound or video encoding. As opposed to constant...

that the variable represents or denotes the object, and that any valid candidate for the object is the value of the variable. The values a variable can take...

antecedent variable is a variable that cannot help to explain the apparent relationship (or part of the relationship) between other variables that are nominally...

A variable star is a star whose brightness as seen from Earth (its apparent magnitude) changes systematically with time. This variation may be caused by...

A continuously variable transmission (CVT) is an automatic transmission that can change through a continuous range of gear ratios, typically resulting...

In regression analysis, a dummy variable (also known as indicator variable or just dummy) is one that takes a binary value (0 or 1) to indicate the absence...

In statistics, omitted-variable bias (OVB) occurs when a statistical model leaves out one or more relevant variables. The bias results in the model attributing...

A random variable (also called random quantity, aleatory variable, or stochastic variable) is a mathematical formalization of a quantity or object which...

PATH is an environment variable on Unix-like operating systems, DOS, OS/2, and Microsoft Windows, specifying a set of directories where executable programs...

a type of continuous probability distribution for a real-valued random variable. The general form of its probability density function is f ( x ) = 1 2...

In some high-level programming languages, a variable is an abstract storage or indirection location paired with an associated symbolic name, which contains...

A suppressor variable is a variable that increases the predictive validity of another variable when included in a regression equation. Suppression can...

science, a variable may be said to be either free or bound. Some older books use the terms real variable and apparent variable for free variable and bound...

a quantitative variable may be continuous or discrete. If it can take on two real values and all the values between them, the variable is continuous in...

A Cepheid variable (/ˈsɛfi.ɪd, ˈsiːfi-/) is a type of variable star that pulsates radially, varying in both diameter and temperature. It changes in brightness...

and related disciplines, the quasi-experimental method of instrumental variables (IV) is used to estimate causal relationships when controlled experiments...

In computer programming, a global variable is a variable with global scope, meaning that it is visible (hence accessible) throughout the program, unless...

Variable refresh rate (VRR) refers to a dynamic display that can continuously and seamlessly change its refresh rate without user input. A display supporting...

"The Variable" is the 14th television episode of the fifth season of Lost, and the 100th episode overall. It originally aired on the American Broadcasting...

In compilers, live variable analysis (or simply liveness analysis) is a classic data-flow analysis to calculate the variables that are live at each point...

A metasyntactic variable is a specific word or set of words identified as a placeholder in computer science and specifically computer programming. These...

Variable costs are costs that change as the quantity of the good or service that a business produces changes. Variable costs are the sum of marginal costs...

(dependent variable) and one or more explanatory variables (regressor or independent variable). A model with exactly one explanatory variable is a simple...

processes in probability theory and statistics, a nuisance variable is a random variable that is fundamental to the probabilistic model, but that is...

In computer programming, a variable-length array (VLA), also called variable-sized or runtime-sized, is an array data structure whose length is determined...

In statistics, a categorical variable (also called qualitative variable) is a variable that can take on one of a limited, and usually fixed, number of...

Variable geometry may refer to: Variable-geometry turbocharger Variable geometry turbomachine Variable geometry Europe, a proposed strategy for European...

In computer science, a local variable is a variable that is given local scope. A local variable reference in the function or block in which it is declared...

In computer programming, a static variable is a variable that has been allocated "statically", meaning that its lifetime (or "extent") is the entire run...

Variable symbol (Czech: Variabilní symbol) is an identifier widely used for domestic payments in Slovakia and Czech Republic. Its maximum length is 10...

Variable pitohui may refer to several species of birds: Northern variable pitohui, found on New Guinea and neighboring islands Southern variable pitohui...

of functions of a complex variable, is the branch of mathematical analysis that investigates functions of a complex variable of complex numbers. It is...

platforms. Variable fonts should not be confused with variable-width fonts. A variable font may be either variable-width or fixed-width. OpenType variable fonts...

Variable valve timing (VVT) is the process of altering the timing of a valve lift event in an internal combustion engine, and is often used to improve...

variable is one whose measure is determined outside the model and is imposed on the model. An exogenous change is a change in an exogenous variable....

A state variable is one of the set of variables that are used to describe the mathematical "state" of a dynamical system. Intuitively, the state of a...

an independent variable and a dependent variable, through the inclusion of a third hypothetical variable known as a mediator variable (also referred to...

In mathematics, separation of variables (also known as the Fourier method) is any of several methods for solving ordinary and partial differential equations...

variable shadowing occurs when a variable declared within a certain scope (decision block, method, or inner class) has the same name as a variable declared...

Variable analysis may refer to: Bivariate analysis Multivariate analysis Univariate analysis This disambiguation page lists articles associated with the...

In physics, a hidden-variable theory is a deterministic model which seeks to explain the probabilistic nature of quantum mechanics by introducing additional...

The Saab Variable Compression engine was a development project of Saab Automobile, for which it won an award both in 2000 and 2001. In a normal internal...

probability. Probability distributions are closely linked to random variables. A random variable is a function that assigns a value to each outcome of a probabilistic...

A variable-frequency drive (VFD, or adjustable-frequency drive, adjustable-speed drive, variable-speed drive, AC drive, micro drive, inverter drive, variable...

A variable-sweep wing, colloquially known as a "swing wing", is an airplane wing, or set of wings, that may be modified during flight, swept back and then...

Variable Geo (ヴァリアブル・ジオ, Variaburu Jio), also known as V.G., is a Japanese 2D fighting game and eroge series developed and published by TGL for consoles...

In telecommunications, a variable length buffer or elastic buffer is a buffer into which data may be entered at one rate and removed at another rate without...

A limited dependent variable is a variable whose range of possible values is "restricted in some important way." In econometrics, the term is often used...

Variable retention may refer to: Variable retention (silvicultural system), a method of forest management Variable retention time, a phenomenon in DRAM...

Real variable may refer to: A variable taking real values, see Function of a real variable A free variable (archaic) Real versus nominal value (economics)...

dummy variable or dummy variables in Wiktionary, the free dictionary. The term dummy variable can refer to either of the following: Bound variable, in mathematics...

logic, a propositional variable (also called a sentence letter, sentential variable, or sentential letter) is an input variable (that can either be true...

Shared Variables are a feature of the programming language APL which allows APL programs running on one processor to share information with another processor...

Jacob Bernoulli, is the discrete probability distribution of a random variable which takes the value 1 with probability p {\displaystyle p} and the value...

controlling for a variable means binning data according to measured values of the variable. This is typically done so that the variable can no longer act...

equally wide variety. The rest of an antibody's structure is much less variable; in humans, antibodies occur in five classes or isotypes: IgA, IgD, IgE...

a type variable is a mathematical variable ranging over types. Even in programming languages that allow mutable variables, a type variable remains an...

in Firefox since version 21) Variables in JavaScript can be defined using either the var, let or const keywords. Variables defined without keywords will...

allocated to end users. CIDR is based on variable-length subnet masking (VLSM), in which network prefixes have variable length as opposed to the fixed-length...

Calculus is the "mathematical backbone" for solving problems in which variable quantities change with time or another reference value. It has also been...

random variables are a generalization of real-valued random variables to complex numbers, i.e. the possible values a complex random variable may take...

Common variable immunodeficiency (CVID) is an inborn immune disorder characterized by recurrent infections and low antibody levels, specifically in immunoglobulin...

object-oriented programming, an instance variable is a variable defined in a class (i.e., a member variable), for which each instantiated object of the...

In computer programming, a temporary variable is a variable with short lifetime, usually to hold data that will soon be discarded, or before it can be...

In computer science, an induction variable is a variable that gets increased or decreased by a fixed amount on every iteration of a loop or is a linear...

Variable renewable energy (VRE) or intermittent renewable energy sources (IRES) are renewable energy sources that are not dispatchable (adjustable on demand)...

In statistics, latent variables (from Latin: present participle of lateo 'lie hidden'[citation needed]) are variables that can only be inferred indirectly...

automatic variable is a local variable which is allocated and deallocated automatically when program flow enters and leaves the variable's scope. The...

A variable capacitor is a capacitor whose capacitance may be intentionally and repeatedly changed mechanically or electronically. Variable capacitors are...

computer science, two-variable logic is the fragment of first-order logic where formulae can be written using only two different variables. This fragment is...

Variable-geometry turbochargers (VGTs), occasionally known as variable-nozzle turbochargers (VNTs), are a type of turbochargers, usually designed to allow...

B, an external variable is a variable defined outside any function block. On the other hand, a local (automatic) variable is a variable defined inside...

Variable gauge systems allow railway vehicles to travel between two railways with different track gauges. Vehicles are equipped with variable gauge axles...

function of a motor variable is a function with arguments and values in the split-complex number plane, much as functions of a complex variable involve ordinary...

An undefined variable in the source code of a computer program is a variable that is accessed in the code but has not been declared by that code. In some...

Variable costing is a managerial accounting cost concept. Under this method, manufacturing overhead is incurred in the period that a product is produced...

distributed random variable defined over N {\displaystyle \mathbb {N} } , and Y {\displaystyle Y} is a geometrically distributed random variable defined over...

logic, computer algebra, and automated theorem proving, a fresh variable is a variable that did not occur in the context considered so far.[citation needed]...

there are over 52,011 known variable stars, with more being discovered regularly, so a complete list of every single variable is impossible at this place...

Variable-order Bayesian network (VOBN) models provide an important extension of both the Bayesian network models and the variable-order Markov models...

The linear variable differential transformer (LVDT) – also called linear variable displacement transformer, linear variable displacement transducer, or...

A variable frequency oscillator (VFO) in electronics is an oscillator whose frequency can be tuned (i.e., varied) over some range. It is a necessary component...

Luminous blue variables (LBVs) are rare, massive, evolved stars that show unpredictable and sometimes dramatic variations in their spectra and brightness...

Environment variables are signified by all capital letters. Environment variables include UNIX variables like LESS_SIGUSR1, and Bourne shell variables such as...

Variable elimination (VE) is a simple and general exact inference algorithm in probabilistic graphical models, such as Bayesian networks and Markov random...

or proxy variable is a variable that is not in itself directly relevant, but that serves in place of an unobservable or immeasurable variable. In order...

In control theory, a process variable (PV; also process value or process parameter) is the current measured value of a particular part of a process which...

A variable interest entity (VIE) is a legal structure defined by the Financial Accounting Standards Board (FASB) for situations where control over a legal...

Variable displacement is an automobile engine technology that allows the engine displacement to change, usually by deactivating cylinders, for improved...

dependent variable (often called the outcome or response variable, or a label in machine learning parlance) and one or more independent variables (often...

Variable yield, or dial-a-yield, is an option available on most modern nuclear weapons. It allows the operator to specify a weapon's yield, or explosive...

First-order logic uses quantified variables over non-logical objects, and allows the use of sentences that contain variables. Rather than propositions such...

Variable neighborhood search (VNS), proposed by Mladenović & Hansen in 1997, is a metaheuristic method for solving a set of combinatorial optimization...

An Orion variable is a variable star which exhibits irregular and eruptive variations in its luminosity and is typically associated with diffuse nebulae...

Variable valve lift (VVL) is an automotive piston engine technology which varies the height a valve opens in order to improve performance, fuel economy...

A latent variable model is a statistical model that relates a set of observable variables (also called manifest variables or indicators) to a set of latent...

wrongful convictions in a given country by focusing on certain random variables N that count the number of events that take place during a time interval...

∩ {\displaystyle \cap } . A twice-differentiable function of a single variable is convex if and only if its second derivative is nonnegative on its entire...

A variable-length quantity (VLQ) is a universal code that uses an arbitrary number of binary octets (eight-bit bytes) to represent an arbitrarily large...

the expected value of the squared deviation from the mean of a random variable. The standard deviation is obtained as the square root of the variance...

In object-oriented programming, a member variable (sometimes called a member field) is a variable that is associated with a specific object, and accessible...

Variable retention is a relatively new silvicultural system that retains forest structural elements for at least one rotation in order to preserve environmental...

Variable rules analysis is a set of statistical analysis methods in linguistics that are commonly used in sociolinguistics and historical linguistics to...

class variable is a variable defined in a class of which a single copy exists, regardless of how many instances of the class exist. A class variable is not...

Variable skink may refer to: P. m. epipleurotus, the southern subspecies of the Plestiodon multivirgatus, the many-lined skink from North America Trachylepis...

etc.). Attributes are closely related to variables. A variable is a logical set of attributes. Variables can "vary" – for example, be high or low. How...

random variables is the probability distribution of the variables contained in the subset. It gives the probabilities of various values of the variables in...

variable, coded by an indicator variable, where the two values are labeled "0" and "1", while the independent variables can each be a binary variable...

The variable damselfly or variable bluet (Coenagrion pulchellum) is a European damselfly. Despite its name, it is not the only blue damselfly prone to...

In computing, an uninitialized variable is a variable that is declared but is not set to a definite known value before it is used. It will have some value...

The variable oystercatcher (Haematopus unicolor) is a species of wader in the family Haematopodidae. It is endemic to New Zealand. The Māori name is tōrea-pango...

parameter. The distribution is supported on the interval [0, ∞). If a random variable X has this distribution, we write X ~ Exp(λ). The exponential distribution...

Variable type may refer to: Variable star The data type of a variable within a programming language's type system This disambiguation page lists articles...

term long-period variable (LPV) star refers to various groups of cool luminous pulsating variable stars. The General Catalogue of Variable Stars does not...

econometrics, endogeneity broadly refers to situations in which an explanatory variable is correlated with the error term. In simplest terms, endogeneity means...

Monday – date variable Greek Independence Day – 25 March Cyprus National Day – 1 April Good Friday – date variable Holy Saturday – date variable Easter Sunday...

The variable sunbird or yellow-bellied sunbird (Cinnyris venustus), formerly Nectarinia venusta, is a sunbird. The sunbirds are a group of small Old World...

continuous probability distribution. It models a broad range of random variables, largely in the nature of a time to failure or time between events. Examples...

In precision agriculture, variable rate application (VRA) refers to the application of a material, such that the rate of application is based on the precise...

probability distribution of a random variable whose logarithm is normally distributed. Thus, if the random variable X is log-normally distributed, then...

In economics, average variable cost (AVC) is a firm's variable costs (VC; labour, electricity, etc.) divided by the quantity of output produced (Q): A...

In coding theory, variable-length encoding is a type of character encoding scheme in which codes of differing lengths are used to encode a character set...

The variable platyfish (Xiphophorus variatus), also known as variatus platy or variegated platy, is a species of freshwater fish in the family Poeciliidae...

A Lambda Eridani Variable is a class of Be stars that show small amplitude variations of a few hundredths of a magnitude. The variations are highly regular...

instructions have variable length, typically integral multiples of a byte or a halfword. Some, such as the ARM with Thumb-extension have mixed variable encoding...

A visual variable, in cartographic design, graphic design, and data visualization, is an aspect of a graphical object that can visually differentiate it...

Variable dwarf kingfisher is a common name of a group of kingfishers in the genus, Ceyx. The variable dwarf kingfisher (Ceyx lepidus or Alcedo lepidus)...

The variable checkerspot or Chalcedon checkerspot (Euphydryas chalcedona) is a butterfly in the family Nymphalidae. It is found in western North America...

distribution remains a good approximation, and is widely used. If the random variable X follows the binomial distribution with parameters n ∈ N {\displaystyle...

In mathematical logic, a predicate variable is a predicate letter which functions as a "placeholder" for a relation (between terms), but which has not...

be a variable that (1) independently predicts the outcome (or dependent variable), (2) is associated with the exposure (or independent variable), and...

In theoretical physics, the Mandelstam variables are numerical quantities that encode the energy, momentum, and angles of particles in a scattering process...

Variable Star is a 2006 science fiction novel by American author Spider Robinson, based on the surviving seven pages of an eight-page 1955 novel outline...

correlation is a mathematical relationship in which two or more events or variables are associated but not causally related, due to either coincidence or...

base measure and a 1 / x {\displaystyle 1/x} base measure) for a random variable X for which E[X] = αθ = α/β is fixed and greater than zero, and E[ln X]...

A prognostic variable in engineering within the context of prognostics, is a measured or estimated variable that is correlated with the health condition...

generalization of the weighted average. The expected value of a random variable with a finite number of outcomes is a weighted average of all possible...

the interpretation of quantum mechanics, a local hidden-variable theory is a hidden-variable theory that satisfies the principle of locality. These models...

a semi-variable cost (also referred to as a mixed or semi-fixed cost) is an expense which contains both a fixed cost component and a variable cost component...

Variable air volume (VAV) is a type of heating, ventilating, and/or air-conditioning (HVAC) system. Unlike constant air volume (CAV) systems, which supply...

A variable- (also changeable-, electronic-, or dynamic-) message sign or message board, often abbreviated VMS, VMB, CMS, or DMS, and in the UK known as...

A Delta Scuti variable (sometimes termed dwarf cepheid when the V-band amplitude is larger than 0.3 mag.) is a class of pulsating star, comprising several...

Three ships of the Royal Navy have borne the name HMS Variable: HMS Variable was a 12-gun sloop/schooner, previously the mercantile ship Redbridge. She...

correlation is a type of statistical relationship between two random variables or bivariate data. It usually refers to the extent to which a pair of...

The variable seedeater (Sporophila corvina) is a passerine bird which breeds from southern Mexico through Central America to the Chocó of northwestern...

change of variables is a basic technique used to simplify problems in which the original variables are replaced with functions of other variables. The intent...

relationship between two variables depends on a third variable. The third variable is referred to as the moderator variable (or effect modifier) or simply...

Variable-pitch propeller can refer to: Variable-pitch propeller (marine) Variable-pitch propeller (aeronautics) This disambiguation page lists articles...

RV Tauri variables are luminous variable stars that have distinctive light variations with alternating deep and shallow minima. German astronomer Friedrich...

The variable darner (Aeshna interrupta) is a dragonfly of the family Aeshnidae, native from Alaska through the Northwest Territories to Newfoundland, south...

A variable speed of light (VSL) is a feature of a family of hypotheses stating that the speed of light may in some way not be constant, for example, that...

types namely stack dynamic variable, implicit heap dynamic variable, explicit heap dynamic variable and lost heap dynamic variable (dangling pointers). It...

Cassiopeiae variable (γ Cassiopeiae variable) is a type of variable star, named for its prototype γ Cassiopeiae. The General Catalogue of Variable Stars (GCVS)...

Variable data printing (VDP) (also known as variable information printing (VIP) or variable imaging (VI)) is a form of digital printing, including on-demand...

statistics, a collection of random variables is independent and identically distributed (i.i.d., iid, or IID) if each random variable has the same probability distribution...

Variable camshaft timing (VCT) is an automobile variable valve timing technology developed by Ford. It allows for more optimum engine performance, reduced...

Variable frame rate (or VFR) is a term in video compression for a feature supported by some container formats which allows for the frame rate to change...

In astronomy, a semiregular variable star, a type of variable star, is a giant or supergiant of intermediate and late (cooler) spectral type. It shows...

all global variables is known as the global environment or global state. In compiled languages, global variables are generally static variables, whose extent...

The variable goshawk (Tachyspiza hiogaster) is a bird of prey native to Indonesia, Papua New Guinea and the Solomon Islands. It was recently elevated to...

Hypolimnas anthedon, the variable eggfly or variable diadem, is a species of Hypolimnas butterfly found in southern Africa. There are four known subspecies...

A variable displacement pump is a device that converts mechanical energy to hydraulic (fluid) energy. The displacement, or amount of fluid pumped per revolution...

The name variable chachalaca may refer to one of two bird species: Little chachalaca, Ortalis motmot Chestnut-headed chachalaca, Ortalis ruficeps This...

The variable dancer (Argia fumipennis) is a damselfly of the family Coenagrionidae. It is native to North America, where it is widespread throughout the...

scope of a name binding (an association of a name to an entity, such as a variable) is the part of a program in which the name binding is valid. In other...

more variables, and describes a situation in which the effect of one causal variable on an outcome depends on the state of a second causal variable (that...

and statistics, a multivariate random variable or random vector is a list or vector of mathematical variables each of whose value is unknown, either...

A variable cycle engine (VCE), also referred to as adaptive cycle engine (ACE), is an aircraft jet engine that is designed to operate efficiently under...

Mira variables (/ˈmaɪrə/; named for the prototype star Mira) are a class of pulsating stars characterized by very red colours, pulsation periods longer...

In aeronautics, a variable-pitch propeller is a type of propeller (airscrew) with blades that can be rotated around their long axis to change the blade...

standard deviation is a measure of the amount of variation of the values of a variable about its (arithmetic) average. A low standard deviation indicates that...

imperative procedural language, supporting structured programming, lexical variable scope, and recursion, with a static type system. It was designed to be...

theory, a non-local variable is a variable that is not defined in the local scope. While the term can refer to global variables, it is primarily used...

continuous random variable, is a function whose value at any given point in the sample space (the set of possible values taken by the random variable) can be interpreted...

A variable-speed drive (VSD) air compressor is an air compressor that takes advantage of variable-speed drive technology. This type of compressor uses...

Variable nebulae are reflection nebulae that change in brightness because of changes in their illuminating star. McNeil's Nebula NGC 1555 (Hind's Variable...

metasyntactic variables in computer programming or computer-related documentation. They have been used to name entities such as variables, functions, and...

the best-known example of an eclipsing binary. Eclipsing binaries are variable stars, not because the light of the individual components vary but because...

BY Draconis variables are variable stars of late spectral types, usually K or M, and typically belong to the main sequence. The name comes from the archetype...

terms in use include z-value, z-statistic, normal score, standardized variable and pull in high energy physics. Computing a z-score requires knowledge...

Algol variables or Algol-type binaries are a class of eclipsing binary stars that are similar to the prototype member of this class, β Persei (Beta Persei...

The variable oriole (Icterus pyrrhopterus) is a species of bird in the family Icteridae. It was formerly considered to be conspecific with the epaulet...

A state variable filter (SVF) is a type of active filter in electronic circuits. In a state-variable filter architecture the signal and its successive...

An unreferenced variable in the source code of a computer program is a variable that is defined but which is never used. This may result in a harmless...

PHP variables are declared and initialized. <?php $name = 'John'; // variable of string type being declared and initialized $age = 18; // variable of integer...

A variable reluctance sensor (commonly called a VR sensor) is a transducer that measures changes in magnetic reluctance. When combined with basic electronic...

The Scottish variable rate (SVR) was a mechanism which would have enabled the Scottish Government to vary (down or up) the basic rate of UK income tax...

variable red giant (Mira A) along with a white dwarf companion (Mira B). Mira A is a pulsating variable star and was the first non-supernova variable...

Beta Cephei variables, also known as Beta Canis Majoris stars, are variable stars that exhibit small rapid variations in their brightness due to pulsations...

"The Variable Man" is a science fiction novella by American writer Philip K. Dick, which he wrote and sold before he had an agent. It was first published...

topic. The PATHEXT environment variable can change the aforesaid default. COMMAND.COM and cmd.exe support special variables (%0, %1 through %9) in order...

calculus in one variable to functions of several variables: the differentiation and integration of functions involving multiple variables (multivariate)...

expressing computation based on function abstraction and application using variable binding and substitution. Untyped lambda calculus, the topic of this article...

executed in parallel. For Pi, let Ii be all of the input variables and Oi the output variables, and likewise for Pj. Pi and Pj are independent if they...

The Indian Type Foundry Variable Fonts Project is an open-source typographic initiative launched in 2019 by the Indian Type Foundry (ITF). The project...

exist several different notions of convergence of sequences of random variables, including convergence in probability, convergence in distribution, and...

A VARCHAR or variable character field is a set of character data of indeterminate length. The term varchar refers to a data type of a field (or column)...

Variable compression ratio (VCR) is a technology to adjust the compression ratio of an internal combustion engine while the engine is in operation. This...

VVC (Variable Valve Control) is an automobile variable valve timing technology developed by Rover and applied to some high performance variants of the...

VANOS is a variable valve timing system used by BMW on various automotive petrol engines since 1992. The name is an abbreviation of the German words for...

A variable import levy is a levy on imports that raises their price to a level at least as high as the domestic price. This kind of levies are adjusted...

mathematics and computer science, variable splitting is a decomposition method that relaxes a set of constraints. When the variable x {\displaystyle x} appears...

criticising his abandonment of the standard analytic training session for the variable-length session, he immediately resigned his presidency. He and a number...

statistics, the cumulative distribution function (CDF) of a real-valued random variable X {\displaystyle X} , or just distribution function of X {\displaystyle...

it can have variable ratios; a variable-ratio transmission can have multiple discrete gear ratios or be continuously variable. Variable-ratio transmissions...

Conjugate variables are pairs of variables mathematically defined in such a way that they become Fourier transform duals, or more generally are related...

well a given variable can be predicted using a linear function of a set of other variables. It is the correlation between the variable's values and the...

for société d'investissement à capital variable, which can be translated as 'investment company with variable capital and securities (government bonds...

duplicated here under more than one heading. This is particularly so for variable geometry and combined (closed) wing types. Most of the configurations described...

A variable structure system, or VSS, is a discontinuous nonlinear system of the form x ˙ = φ ( x , t ) {\displaystyle {\dot {\mathbf {x} }}=\varphi (\mathbf...

showing the paired cylinders (1 & 4 and 2 & 3) Variable-geometry turbochargers (also known as variable-nozzle turbochargers) are used to alter the effective...

In astronomy, a variable-star designation is a unique identifier given to variable stars. It extends the Bayer designation format, with an identifying...

The theory of functions of several complex variables is the branch of mathematics dealing with functions defined on the complex coordinate space C n {\displaystyle...

An optical variable device or optically variable device (OVD) is an iridescent or non-iridescent security feature that exhibits different information...

notation. If a variable z depends on the variable y, which itself depends on the variable x (that is, y and z are dependent variables), then z depends...

A slow irregular variable (ascribed the GCVS types L, LB and LC) is a variable star that exhibit no or very poorly defined periodicity in their slowly...

The Variable Density Tunnel (VDT) was the second wind tunnel at the National Advisory Committee for Aeronautics (NACA) Langley Research Center. Proposed...

is a differential equation (DE) dependent on only a single independent variable. As with any other DE, its unknown(s) consists of one (or more) function(s)...

This is a list of semiregular variable stars. Variability ranges are taken from the General Catalogue of Variable Stars (GCVS) where these are visual...

In the mathematical theory of stochastic processes, variable-order Markov (VOM) models are an important class of models that extend the well known Markov...

The variable hawk (Geranoaetus polyosoma) is a polymorphic species of bird of prey in the family Accipitridae. It is widespread and often common in open...

The variable wheatear (Oenanthe picata) is a species of bird in the family Muscicapidae. It is found in Afghanistan, Egypt, India, Iran, Kazakhstan, Lebanon...

Gabon. January 1 New Year's Day Variable Easter Monday April 17 Women's Day May 1 Labour Day Variable Ascension Day Variable Whit Monday August 15 Assumption...

difformis is a species of sedge known by several common names, including variable flatsedge, smallflower umbrella-sedge and rice sedge. This plant is native...

In mathematics, a quadratic function of a single variable is a function of the form f ( x ) = a x 2 + b x + c , a ≠ 0 , {\displaystyle f(x)=ax^{2}+bx+c...

Rotating ellipsoidal variables are a class of close binary variable star systems whose components are ellipsoidal. They are not eclipsing, but fluctuations...

categorical variables along parallel axes. Each variable occupies a vertical axis whose sections represent the distribution of values. Adjacent variables are...

A Double Periodic Variable (DPV) is a type of binary star. As the name implies, the systems vary in brightness not only due to eclipses of one star by...

In statistics, the algebra of random variables provides rules for the symbolic manipulation of random variables, while avoiding delving too deeply into...

variable is a type of variable star in which variations in brightness show no regular periodicity. There are two main sub-types of irregular variable:...

The northern variable pitohui (Pitohui kirhocephalus) is a species of pitohui in the family Oriolidae. It is found on New Guinea and a number of neighbouring...

A variable pathlength cell is a sample holder used for ultraviolet–visible spectroscopy or infrared spectroscopy that has a path length that can be varied...

In engineering, variable-buoyancy propulsion is the use of a buoyancy engine to provide propulsion for a vehicle. The concept was first explored in the...

techniques (from 1969) like infrequent variables, map-entered variables (MEV), variable-entered map (VEM) or variable-entered Karnaugh map (VEKM) by G. W...

The General Catalogue of Variable Stars (GCVS) is a list of variable stars in the Milky Way Galaxy. Its first edition, containing 10,820 stars, was published...

The variable triplefin or striped triplefin (Forsterygion varium) is a triplefin native to New Zealand, but also introduced to Tasmania, Australia, most...

In orbital mechanics, the universal variable formulation is a method used to solve the two-body Kepler problem. It is a generalized form of Kepler's Equation...

First, for each variable with a lower bound other than 0, a new variable is introduced representing the difference between the variable and bound. The...

month. These costs also tend to be capital costs. This is in contrast to variable costs, which are volume-related (and are paid per quantity produced) and...

In mathematics, a function of a real variable is a function whose domain is a subset of R {\displaystyle \mathbb {R} } , which is often specified to contain...

per-capita income. Choropleth maps provide an easy way to visualize how a variable varies across a geographic area or show the level of variability within...

least 69 variable stars, most of which are RR Lyrae variables: 46 stars were identified as RRab variables; 15 as RRc variables, 1 RRe variable, 4 eclipsing...

_NSAKEY was a variable name discovered in Windows NT 4 SP5 in 1999 by Andrew D. Fernandes of Cryptonym Corporation. The variable contained a 1024-bit public...

Gamma Doradus variables are variable stars which display variations in luminosity due to non-radial pulsations of their surface. The stars are typically...

this notation, x is the argument or variable of the function. A specific element x of X is a value of the variable, and the corresponding element of Y...

In internal combustion engines, a variable-length intake manifold (VLIM),variable intake manifold (VIM), or variable intake system (VIS) is an automobile...

engines in both 12-valve and 16-valve versions with a variable compression ratio and variable valve timing developed by Nissan. The KH5T is a 1.5 L (1461 cc)...

I do consider assignment statements and pointer variables to be among computer science's "most valuable treasures." — Donald Knuth, Structured Programming...

function) is a function that gives the probability that a discrete random variable is exactly equal to some value. Sometimes it is also known as the discrete...

either true or false based on the values assigned to its propositional variables. The double turnstile notation ⊨ S {\displaystyle \vDash S} is used to...

passed as an argument to its -u flag, and assigns it to one or more variables. Each variable is assigned a successive token (word) from the input where tokens...

In statistics and causal graphs, a variable is a collider when it is causally influenced by two or more variables. The name "collider" reflects the fact...

Variable Cylinder Management (VCM) is Honda's term for its variable displacement technology, which saves fuel by deactivating the rear bank of 3 cylinders...

single explanatory variable. That is, it concerns two-dimensional sample points with one independent variable and one dependent variable (conventionally...

Variable refrigerant flow (VRF), is an HVAC technology invented by Daikin Industries, Ltd. in 1982. Daikin Industries, Ltd. named this "VRV" and holds...

In astronomy, cataclysmic variable stars (CVs) are stars which irregularly increase in brightness by a large factor, then drop back down to a quiescent...

Variable-range hopping is a model used to describe carrier transport in a disordered semiconductor or in amorphous solid by hopping in an extended temperature...

loop diagram (CLD) is a causal diagram that visualizes how different variables in a system are causally interrelated. The diagram consists of a set of...

Classical Cepheids are a type of Cepheid variable star. They are young, population I variable stars that exhibit regular radial pulsations with periods...

( X ) {\displaystyle p(X)} p ( Y ) {\displaystyle p(Y)} Given random variables X , Y , … {\displaystyle X,Y,\ldots } , that are defined on the same probability...

the negative of the Hamiltonian with respect to the state variables. The costate variables λ ( t ) {\displaystyle \lambda (t)} can be interpreted as Lagrange...

A variable-gain (VGA) or voltage-controlled amplifier (VCA) is an electronic amplifier that varies its gain depending on a control voltage (often abbreviated...

The American Association of Variable Star Observers (AAVSO) is an international nonprofit organization. Founded in 1911, the organization focuses on coordinating...

RR Lyrae variables are periodic variable stars, commonly found in globular clusters and other old stellar populations in galaxies. They are used as standard...

each independent variable's coefficient reflects the relationship between the dependent variable and the part of that independent variable which is not linearly...

a subgaussian distribution, the distribution of a subgaussian random variable, is a probability distribution with strong tail decay. More specifically...

quantitative (statistical) analysis. It involves the analysis of two variables (often denoted as X, Y), for the purpose of determining the empirical...

conditions. Engineers can therefore tailor steering-gear response to variable-rate and variable-damping suspension systems, optimizing ride, handling, and steering...

, y(n) are the successive derivatives of an unknown function y of the variable x. Such an equation is an ordinary differential equation (ODE). A linear...

production, which contrasts with variable capital (v; German: variables Kapital). The distinction between constant and variable refers to an aspect of the economic...

artificially dichotomized variable. In most situations it is not advisable to dichotomize variables artificially. When a new variable is artificially dichotomized...

Variable-Rate Multimode Wideband (VMR-WB) is a source-controlled variable-rate multimode codec designed for robust encoding/decoding of wideband/narrowband...

Variable dorid is a common name for several species of nudibranchs and may refer to: Aphelodoris brunnea, native to Australia Aphelodoris varia, native...

In mechanics, a variable-mass system is a collection of matter whose mass varies with time. It can be confusing to try to apply Newton's second law of...

collection of discrete variables depends exponentially on the number of variables, and only as a power law on number of states of each variable. Ten bits have...

assigned once. Once a final variable has been assigned, it is intended to always contain the same value. If a final variable holds a reference to an object...

A variable-frequency transformer (VFT) is used to transmit electricity between two (asynchronous or synchronous) alternating current frequency domains...

Alpha2 Canum Venaticorum variable (or α2 CVn variable) is a type of magnetic variable star. These are chemically peculiar stars of the CP2 type that are...

Variable Valve Timing & Lift Electronic Control (VTEC) is a valve system developed by Honda to improve the volumetric efficiency of a four-stroke internal...

in the independent variable. Consider fitting a straight line for the relationship of an outcome variable y to a predictor variable x, and estimating the...

functions of a single variable. The Laplace transform is an integral transform that takes a function of a positive real variable t (often time) to a function...

least approximately, any set of (possibly) correlated real-valued random variables, each of which clusters around a mean value. The multivariate normal distribution...

or complex variable x, its derivatives, and some given functions of x. The unknown function is generally represented by a dependent variable (often denoted...

the squares of k {\displaystyle k} independent standard normal random variables. The chi-squared distribution χ k 2 {\displaystyle \chi _{k}^{2}} is a...

Variable-data publishing (VDP) (also known as database publishing) is a term referring to the output of a variable composition system. While these systems...

900 light-years away in the constellation Scutum. It is also a pulsating variable star, with a maximum brightness of magnitude 8.29 and a minimum of magnitude...

Luminous blue variables (LBVs) are rare, massive, evolved stars that show unpredictable and sometimes dramatic variations in their spectra and brightness...

that include bang–bang controllers are variable structure systems, and bang–bang controllers are thus variable structure controllers. In optimal control...

the two most commonly found variations are the variable-width box plots and the notched box plots. Variable-width box plots illustrate the size of each group...

The term Variable Control Voice Actuator (VCVA) refers to a digital recording technology developed by Olympus, which is implemented in many of their digital...

Variable camber is a feature of some of aircraft wings that changes the camber (or curvature) of the main aerofoil during flight. In one system, the leading...

substitution, also known as u-substitution, reverse chain rule or change of variables, is a method for evaluating integrals and antiderivatives. It is the counterpart...

A floating interest rate, also known as a variable or adjustable rate, refers to any type of debt instrument, such as a loan, bond, mortgage, or credit...

A variable value stamp is a gummed or self-adhesive postage stamp of a common design, issued by a machine similar to an automatic teller machine (ATM)...

In statistics, adaptive or "variable-bandwidth" kernel density estimation is a form of kernel density estimation in which the size of the kernels used...

SX Arietis variables are a class of variable stars. They are generally B-type main sequence stars of spectral types B0p to B9p— high-temperature analogues...

monitor consists of a mutex (lock) and at least one condition variable. A condition variable is explicitly 'signalled' when the object's state is modified...

parameters, denoted by alpha (α) and beta (β), that appear as exponents of the variable and its complement to 1, respectively, and control the shape of the distribution...

distribution of the ratio of two independent normally distributed random variables with mean zero. The Cauchy distribution is often used in statistics as...

of an independent variable A on an outcome variable C via a mediator variable B differs depending on levels of a moderator variable D. Specifically, either...

motor soft starters. AC motors operated at variable speeds are powered with various power inverter, variable-frequency drive or electronic commutator technologies...

A vacuum variable capacitor is a variable capacitor which uses a high vacuum as the dielectric instead of air or other insulating material. This allows...

Fuzzy logic is a form of many-valued logic in which the truth value of variables may be any real number between 0 and 1. It is employed to handle the concept...

An SX Phoenicis variable is a type of variable star. These stars exhibit a short period pulsation behavior that varies on time scales of 0.03–0.08 days...

probability of a random variable deviating from some value (typically, its expected value). The deviation or other function of the random variable can be thought...

The southern variable pitohui (Pitohui uropygialis) is a species of pitohui in the family Oriolidae. It is found on New Guinea and neighbouring islands...

proportion of the variation in the dependent variable that is predictable from the independent variable(s). It is a statistic used in the context of statistical...

Ordinal data is a categorical, statistical data type where the variables have natural, ordered categories and the distances between the categories are...

compression springs. 1.Variable spring hanger or variable effort support: Variable effort supports also known as variable hangers or variables are used to support...

Hidden variable case. The experiment was conducted first by Alain Aspect in the early 1980s, and the result excluded the simple hidden variable mop: approach...

Variable Message Format, abbreviated as "VMF" and documented in MIL-STD-6017, is a message format used in communicating tactical military information....

a random variable following the logistic distribution. That is, for X = | Y | {\displaystyle X=|Y|\!} where Y is a logistic random variable, X is a half-logistic...

recognized as an independent state by some or all European Union members. *A variable dialing plan has different dialing procedures for local and long-distance...

the entropy of a random variable quantifies the average level of uncertainty or information associated with the variable's potential states or possible...

predicting dependent variable y {\displaystyle y} from knowing the independent variable x {\displaystyle x} (or a collection of multiple variables). It is a goodness...

Ministrombus variabilis, the variable conch, is a species of sea snail, a marine gastropod mollusk in the family Strombidae, the true conchs. The shell...

programming, values held in program variables whose content never changes are known as constants to differentiate them from variables that could be altered during...

The Variable Specific Impulse Magnetoplasma Rocket (VASIMR) is an electrothermal thruster under development for possible use in spacecraft propulsion....

mean of a random variable is its expected value evaluated with respect to the conditional probability distribution. If the random variable can take on only...

measures how much an endogenous variable changes in response to a change in some exogenous variable. For example, suppose variable x changes by k units, which...

are all uses of a variable that are reachable from a point in the program. A use of variable is a point or statement where that variable is referenced (read)...

manager-to-agent request to retrieve the value of a variable or list of variables. Desired variables are specified in variable bindings (the value field is not used)...

(or sometimes "a sunspot") refers to an extrinsic random variable, that is, a random variable that does not affect economic fundamentals (such as endowments...

measure in statistics and research design refer to composite measures of variables, i.e. measurements based on multiple data items. An example of a composite...

Variable Data Intelligent Postscript Printware is an open language from Xerox that enables highest-performance output of variable-data PostScript documents...

In logic, a metavariable (also metalinguistic variable or syntactical variable) is a symbol or symbol string which belongs to a metalanguage and stands...

The black-capped screech owl (Megascops atricapilla), or variable screech owl, is a species of owl in the family Strigidae. It is found in Argentina, Brazil...

Xestia elimata, the southern variable dart or variable climbing caterpillar, is a moth of the family Noctuidae. The species was first described by Achille...

When executed, each method is allocated its own frame with a stack, local variable registers, and other data. Most instructions operate on one or more stack...

A variable geometry turbomachine uses movable vanes to optimize its efficiency at different operating conditions. This article refers to movable vanes...

In marine propulsion, a variable-pitch propeller is a type of propeller with blades that can be rotated around their long axis to change the blade pitch...

function is a function of indefinite arity, i.e., one which accepts a variable number of arguments. Support for variadic functions differs widely among...

An RS Canum Venaticorum variable is a type of variable star. The variable type consists of close binary stars having active chromospheres which can cause...

the values of these variables simultaneously, either because the equation (or model) is time-independent, or because the variables all refer to the values...

relativity, spacetime is split into spatial slices and a time axis. The basic variables are taken to be the induced metric q a b ( x ) {\displaystyle q_{ab}(x)}...

A varicap diode, varactor diode, variable capacitance diode, variable reactance diode or tuning diode is a type of diode designed to exploit the voltage-dependent...

a dependent variable with respect to another dependent variable that is taken when both variables depend on an independent third variable, usually thought...

that stops it. The target variable should not be confused with the cycle variable or the control variable. The target variable only sets an upper limit...

assertion that contains variables, sometimes referred to as predicate variables, and may be true or false depending on those variables’ value or values. In...

deposited in a variable annuity grows on a tax-deferred basis, so that taxes on investment gains are not due until a withdrawal is made. Variable annuities...

R2 statistic (i.e., explained variance) by all independent variables on a dependent variable in a multiple linear regression model into commonality coefficients...

treatment (i.e., an explanatory variable or an independent variable) on an outcome (i.e., a response variable or dependent variable) by comparing the average...

transformation matrix. The collective variables reduce many variables to a lower-dimensional set of variables, that still describe the crucial characteristics...

Optically Variable Ink (OVI) also called color shifting ink is an anti-counterfeiting measure used on many major modern banknotes, as well as on other...

infrastructure if a significant amount of electricity is generated by variable renewable energy (VRE) sources, mainly solar and wind power. Dunkelflauten...

Proportionality is closely related to linearity. Given an independent variable x and a dependent variable y, y is directly proportional to x if there is a positive...

symbols φ for which it makes sense to ask "is φ true?", once any free variables in φ have been instantiated. In formal logic, proofs can be represented...

parameter space Transforms (function of a random variable); Combinations (function of several variables); Approximation (limit) relationships; Compound...

alternative frameworks within which variables that evolve over time are modeled. Discrete time views values of variables as occurring at distinct, separate...

discrete random variable is a power series representation (the generating function) of the probability mass function of the random variable. Probability...

pair only confirmed in the early 20th century. As the closest Cepheid variable, Polaris Aa's distance is a foundational part of the cosmic distance ladder...

is a type of stochastic process model. VAR models generalize the single-variable (univariate) autoregressive model by allowing for multivariate time series...

line receive the same average voltage as those closer to the source. The variable ratio of the autotransformer compensates for the voltage drop along the...

The variable mud turtle (Pelusios rhodesianus), also known as Rhodesian mud turtle, Mashona hinged terrapin or variable hinged terrapin, is a species...

deviation of a random variable (with finite variance) from its mean. More specifically, the probability that a random variable deviates from its mean...

(identifier's) meaning. Declarations are most commonly used for functions, variables, constants, and classes, but can also be used for other entities such...

converts any function in n {\displaystyle n} variables to a symmetric function in n {\displaystyle n} variables. Similarly, antisymmetrization converts any...

A bound variable pronoun (also called a bound variable anaphor or BVA) is a pronoun that has a quantified determiner phrase (DP) – such as every, some...

a variable is one of the many things a parameter is not." ... The dependent variable, the speed of the car, depends on the independent variable, the...

output with respect to its input. The derivative of a function of a single variable at a chosen input value, when it exists, is the slope of the tangent line...

movement. If only two terminals are used, one end and the wiper, it acts as a variable resistor or rheostat. The measuring instrument called a potentiometer is...

complex analysis, which studies complex numbers and functions of a complex variable. The theorems of real analysis rely on the properties of the (established)...

An R Coronae Borealis variable (abbreviated RCB, R CrB) is an eruptive variable star that varies in luminosity in two modes, one low amplitude pulsation...

the brightest stars in the night sky; both are supergiants and slightly variable. There are a further six stars brighter than magnitude 3.0, including three...

desirable. L.A.Zadeh introduced the concepts of fuzzy variables and fuzzy sets. Fuzzy variables are based on the theory of possibility and hence are possibility...

A proximity fuze (also VT fuze or "variable time fuze") is a fuze that detonates an explosive device automatically when it approaches within a certain...

Variable structure control (VSC) is a form of discontinuous nonlinear control. The method alters the dynamics of a nonlinear system by application of a...

target value (setpoint or SP) with the actual value of the system (process variable or PV). The difference between these two values is called the error value...

United Kingdom in 1974. (variable): Good Friday (variable) Easter Monday May 1: Labour Day (variable): Whit Monday (variable): Feast of Corpus Christi...

essential variable, or process value (PV) of a control system, which may differ from the actual measured value of the variable. Departure of such a variable from...

explanatory variables) by the principle of least squares: minimizing the sum of the squares of the differences between the observed dependent variable (values...

its helium spectral lines. Stars of this type are referred to as helium-variable. This is thought to occur when one hemisphere of the star's atmosphere...

a Dirac measure in a: it is the distribution of a deterministic random variable equal to a with probability 1. This is a special case of a discrete distribution;...

Lyulka-Saturn. The original AL-41F, development designation izdeliye 20, was a variable-bypass ratio turbofan engine, designed for supercruise flight for the MFI...

In computer science, a semaphore is a variable or abstract data type used to control access to a common resource by multiple threads and avoid critical...

or observation designed to minimize the influence of variables other than the independent variable under investigation, thereby reducing the risk of confounding...

Micrurus diastema, commonly known as the variable coral snake, is a species of venomous snake in the family Elapidae. The species is endemic to southeastern...

Java and Qt. The variable-length character of UTF-16, combined with the fact that most characters are not variable-length (so variable length is rarely...

other words, it is a non-contingent schedule. Variable time (VT) – Provides reinforcement at an average variable time since last reinforcement, regardless...

Petroscirtes variabilis, the variable sabretooth blenny, variable fangblenny, or the variable blenny, is a species of combtooth blenny found in the western...

optimizing an objective function with respect to some variables in the presence of constraints on those variables. The objective function is either a cost function...

normal random variable, defined as a random variable with expected value 0 and variance 1. Where collections of such random variables are used, there...

Critical variables are defined, for example in thermodynamics, in terms of the values of variables at the critical point. On a PV diagram, the critical...

sociolinguistics, social contexts were defined in terms of objective social variables, such as those of class, gender, age or race. More recently, social contexts...

A single-chain variable fragment (scFv) is not actually a fragment of an antibody, but instead is a fusion protein of the variable regions of the heavy...

"Roboto Flex – Variable Fonts". Archived from the original on 2023-05-13. Retrieved 2023-05-13. "Helvetica Now Variable – Variable Fonts". Archived...

weight function w appearing in the boundary expression is termed a primary variable, and its specification constitutes the essential or Dirichlet boundary...

The Makhonine Mak-10, was a variable-geometry research aircraft, built to investigate variable area / telescopic wings during 1931 in France. In the early...

display values for typically two variables for a set of data. If the points are coded (color/shape/size), one additional variable can be displayed. The data...

best known for being one of the originators of Sliding Mode Control and Variable Structure Systems, which have become fundamental concepts in the field...

mutual information (MI) of two random variables is a measure of the mutual dependence between the two variables. More specifically, it quantifies the...

SW Sextantis variable stars are a kind of cataclysmic variable star; they are double-star systems in which there is mass transfer from a red dwarf to...

It is a commonly used naming convention in computing, for example for variable and subroutine names, and for filenames. One study has found that readers...

A variable number tandem repeat (or VNTR) is a location in a genome where a short nucleotide sequence is organized as a tandem repeat. These can be found...

There are two species of snake named variable marsh snake: Natriciteres variegata, species of natricine snake found across Africa Natriciteres pembana...

be definitively classified by this technique. This gives rise to gram-variable and gram-indeterminate groups. The method is named after its inventor,...

Rhetus periander, the Periander metalmark or variable beautymark, is a butterfly of the family Riodinidae. It is found in most of Central and South America...

In statistics, an exchangeable sequence of random variables (also sometimes interchangeable) is a sequence X1, X2, X3, ... (which may be finitely or infinitely...

A variable pitch fan is similar in concept to that of a variable-pitch propeller and involves progressively reducing the pitch (or blade angle) of the...

errors-in-variables model or a measurement error model is a regression model that accounts for measurement errors in the independent variables. In contrast...

as BD+56°2793, is a red supergiant and a variable star located in the constellation Cepheus. It has a variable apparent magnitude between 7.75 and 8.90...

a certain variable if it is monotone with respect to changes in that variable. Linear: for each variable, flipping the value of the variable either always...

stopping time or optional time) is a specific type of "random time": a random variable whose value is interpreted as the time at which a given stochastic process...

one random variable is a function of another by the inclusion of the σ {\displaystyle \sigma } -algebras generated by the random variables. The usual...

A variable prepaid forward contract is an investment strategy that allows a shareholder with a concentrated stock holding to generate liquidity for diversification...

A variable-incidence wing has an adjustable angle of incidence relative to its fuselage. This allows the wing to operate at a high angle of attack for...

A flare star is a variable star that can undergo unpredictable dramatic increases in brightness for a few minutes. It is believed that the flares on flare...

radio quasar, also known as a optically violent variable quasar or OVV quasar, is a type of highly variable quasar. It is a subtype of blazar that consists...

quantified formula must contain a bound variable and a subformula specifying a property of the referent of that variable. The most commonly used quantifiers...

A variable force solenoid (VFS) is an electro-hydraulic device that controls pressure proportionally or inversely proportionally to a signal (voltage or...

It is found in Saudi Arabia and Yemen. It also known as the variable snake or variable racer. Busais, S.M.S.; Al Jumaily, M.M. (2012). "Platyceps variabilis"...

per unit minus the variable cost per unit. "Contribution" represents the portion of sales revenue that is not consumed by variable costs and so contributes...

FALSE (or TRUE, respectively) to variable x i {\displaystyle x_{i}} . Such a BDD is called 'ordered' if different variables appear in the same order on all...

more independent variables, also referred to as "input variables" or "predictor variables." The change in one or more independent variables is generally hypothesized...

Nembrotha kubaryana, also known as the variable neon slug or the dusky nembrotha, is a species of colorful sea slug, a dorid nudibranch, a marine gastropod...

RISC processors) Variable services UEFI variables provide a way to store data, in particular non-volatile data. Some UEFI variables are shared between...

condition where an expression does not have a correct value Undefined variable, a variable that is accessed in code but has not been declared Undefined, something...

not practical, a variable-displacement system can be very effective, especially at greater than 70% of full load. One way that variable displacement may...

Enhanced Variable Rate CODEC (EVRC) is a speech codec used in CDMA networks. It was developed in 1995 to replace the QCELP vocoder which used more bandwidth...

has been used for two observed types of star: Binary stars with highly variable emission and stellar spectral type Fe a blue supergiant with a forest of...

In computing, Xyzzy is sometimes used as a metasyntactic variable or as a video game cheat code. Xyzzy comes from the Colossal Cave Adventure computer...

relationship between a given independent variable and the response variable given that other independent variables are also in the model. When performing...

Markov blanket of a random variable is a set of variables that renders the variable conditionally independent of all other variables in the system. This concept...

A dwarf nova (pl. novae), or U Geminorum variable, is one of several types of cataclysmic variable star, consisting of a close binary star system in which...

another variable to a model that already has one or more independent variables. Partial regression plots are also referred to as added variable plots,...

occurrence of a particular event. Given two jointly distributed random variables X {\displaystyle X} and Y {\displaystyle Y} , the conditional probability...

inequality gives an upper bound on the probability that a non-negative random variable is greater than or equal to some positive constant. Markov's inequality...

A Variable Speed (VFD) Fire Pump Controller is a fire pump controller that is able to vary the speed of the motor depending on the demand of the fire pump...

Multi-speed Europe or two-speed Europe (called also variable geometry Europe or core Europe depending on the form it would take in practice) is the idea...

value) of a random variable or random element is the value that is actually observed or measured. For example, if the random variable is human height, a...

A rotary variable differential transformer (RVDT) is a type of electrical transformer used for measuring angular displacement. The transformer has a rotor...

It uses dynamic name resolution (late binding), which binds method and variable names during program execution. Python's design offers some support for...

analysis, after estimating the logarithm of a variable. Estimating the logarithm of a variable instead of the variable itself is a common technique to more closely...

The V-Prop is an automatic self-powering electronic variable-pitch propeller developed by Silence Aircraft, the manufacturers of the Silence Twister single-seat...

Alpha Cygni variables are variable stars which exhibit non-radial pulsations, meaning that some portions of the stellar surface are contracting at the...

30, 2009). "Lost: "The Variable" Review". IGN. Retrieved 2009-05-04. Dovey, Rachel (April 30, 2009). "Lost Review: "The Variable"". Paste. Retrieved 2009-05-10...

logical operator symbol ∃, which, when used together with a predicate variable, is called an existential quantifier ("∃x" or "∃(x)" or "(∃x)"), read as...

the difference between the two values of the independent variable at which the dependent variable is equal to half of its maximum value. In other words,...

PDP-11 architecture, the VAX architecture, and the x86 architecture are variable-length. Initial versions of SuperH had fixed-length 16-bit instructions...

5 cu in), two-cylinder boxer engine with four valves per cylinder and variable valve timing (VVT). In September 2018, Kevin Cameron wrote that a "shift...

representing points in geometry, and lower-case letters were used for variables and constants. Letters are used for representing many other types of mathematical...

value. Heap-dynamic variables are represented as the storage for the variable plus a cell for an integer lock value. When a variable is allocated, a lock...

syntactic conventions of mathematical notation. Symbols can denote numbers, variables, operations, and functions. Other symbols include punctuation marks and...

separation of variables, one reduces a PDE to a PDE in fewer variables, which is an ordinary differential equation if in one variable – these are in...

identical for identical arguments (no variation with local static variables, non-local variables, mutable reference arguments or input streams, i.e., referential...

has acquired rights to the V-Prop, an automatic self-powering electronic variable-pitch propeller invented by Thomas Strieker of Silence Aircraft. Stefan...

regressand (dependent variable) Y which cannot be explained, i.e., which is not correctly predicted, by the explanatory variables X. Suppose we are given...

more than one sort of variables. The idea is different sorts of variables represent different types of objects. Every sort of variable can be quantified;...

control is a variable chosen by the controller or agent to manipulate state variables, similar to an actual control valve. Unlike the state variable, it does...

Bleptina caradrinalis, the bent-winged owlet or variable snout moth, is a species of moth of the family Erebidae. It was described by Achille Guenée in...

amplifier stages of radio receivers require variable tuning to select the station, usually achieved by using variable capacitors in the resonant circuits. The...

drive that has multiple operating speeds, while a variable-speed motor drive is continuously variable in speed. If the motor is generating electrical energy...

The Parker variable wing is a wing configuration in biplane or triplane aircraft designed by H.F. Parker in 1920. His design allows a supplement in lift...

to fixed-size values, though there are some hash functions that support variable-length output. The values returned by a hash function are called hash values...

In computer programming, a dead store is a local variable that is assigned a value but is read by no following instruction. Dead stores waste processor...

The Variable Man is a collection of science fiction stories by American writer Philip K. Dick. It was first published by Ace Books in 1957. The stories...

except that within the sentence there is a variable (x) that is not defined or specified (thus being a free variable), which leaves the statement undetermined...

provided to obtain the function's result. It is also called an independent variable. For example, the binary function f ( x , y ) = x 2 + y 2 {\displaystyle...

programming language, was the server-side software used to dynamically serve variable web pages, called Filo Server Pages, on visits to early versions of the...

additional unit of output) F = fixed (unadjustable) V = variable (adjustable) T = total (fixed plus variable) C = cost These can be combined in various ways to...

A variable-buoyancy pressure vessel system is a type of rigid buoyancy control device for diving systems that retains a constant volume and varies its...

population (sampling without replacement from a finite population). A random variable X {\displaystyle X} follows the hypergeometric distribution if its probability...

12-valve and straight-4 16-valve automobile engines with continuously variable valve timing, involving development by Nissan (Aichi Kikai) and/or Renault...

identifier naming convention in computer programming in which the name of a variable or function indicates its intention or kind, or in some dialects, its type...

whole range by a variable emulsion device to add air to the fuel after the main jets/s. In SU and other (e.g. Zenith-Stromberg) variable jet carburetors...

elasticity of one variable with respect to another between two given points. It is the ratio of the percentage change of one of the variables between the two...

Enhanced Variable Rate Codec B (EVRC-B) is a speech codec used by CDMA networks. EVRC-B is an enhancement to EVRC and compresses each 20 milliseconds of...

classification of B6 V. Gautier Mathys et al. announced that the star is variable, in 1986. It is a slowly pulsating B-type star that undergoes radial-velocity...

satisfaction problem expressing each constraint of the original problem as a variable. Dual problems only contain binary constraints, and are therefore solvable...

equations of lower dimensionality (fewer independent variables) by a method of separation of variables. It generally relies upon the problem having some...

Maculastrombus mutabilis (Swainson, 1821), commonly known as the variable stromb, is a species of sea snail, a marine gastropod mollusc in the family Strombidae...

manifold. The cylinders are lined with silicon/aluminium, and a dual-length variable-length intake manifold is fitted. In addition to this, new features shared...

independent variable and the dependent variable is hypothesized to be an indirect effect that exists due to the influence of a third variable (the mediator)...

function of any real-valued random variable completely defines its probability distribution. If a random variable admits a probability density function...

random variable. It is applicable when the random variable being considered can be defined as a differentiable function of a random variable which is...

via a different syntax. For example, this is how to get a query into a variable in CFSCRIPT without writing a UDF: <cfscript> qGetData = new Query(); qGetData...

Independence Day, from the UK, 1979 Variable Good Friday Variable Easter Monday 1 May Labour Day Variable Whit Monday Variable Corpus Christi 1 August Emancipation...

dependence between the rankings of two variables). It assesses how well the relationship between two variables can be described using a monotonic function...

quantities, such as the coordinates of a point, as functions of one or more variables called parameters. In the case of a single parameter, parametric equations...

COMSPEC or ComSpec is one of the environment variables used in DOS, OS/2 and Windows, which normally points to the command-line interpreter, which is...

non-zero value as true. Indeed, a Boolean variable may be regarded (and implemented) as a numerical variable with one binary digit (bit), or as a bit string...

Variable density goggles were used by U.S. aerial gunners and anti-aircraft gunners in World War II. They were equipped with a turning dial on the front...

In mathematics and signal processing, the constant-Q transform and variable-Q transform, simply known as CQT and VQT, transforms a data series to the frequency...

indigobird can also refer to Vidua purpurascens. The dusky indigobird, variable indigobird, or black widowfinch (Vidua funerea) is a species of bird in...

fixed, variable, or semi-variable. Fixed costs remain unchanged irrespective of changes in the production volume over a given period of time. Variable costs...

Andromeda with Perseus RU And, database entry, Combined General Catalog of Variable Stars (GCVS4.2, 2004 Ed.), N. N. Samus, O. V. Durlevich, et al., CDS ID...

predicate variable. It is usually denoted by the turned A (∀) logical operator symbol, which, when used together with a predicate variable, is called...

of numbers. For example, the monomial basis for polynomials of a single variable forms the sequence ( x ↦ 1 , x ↦ x , x ↦ x 2 , x ↦ x 3 , … ) {\displaystyle...

constellation, is a yellow-white supergiant and the brightest Cepheid variable star in the night sky, ranging in apparent magnitude from 1.97 to 2.00...

The tokamak à configuration variable (TCV, literally "variable configuration tokamak") is an experimental tokamak located at the École Polytechnique Fédérale...

homogeneous functions of the same degree of x and y. In this case, the change of variable y = ux leads to an equation of the form d x x = h ( u ) d u , {\displaystyle...

The amplitude of a periodic variable is a measure of its change in a single period (such as time or spatial period). The amplitude of a non-periodic signal...

derived from the probability of a particular event occurring from a random variable. It can be thought of as an alternative way of expressing probability,...

The variable antshrike (Thamnophilus caerulescens) is a species of bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds". It...