Invólucro afim
Em matemática, o invólucro afim de um conjunto S no espaço euclidiano Rn é o menor conjunto afim contendo S, ou equivalentemente, a interseção de todos os conjuntos afins contendo S. [1] Neste caso, um conjunto afim pode ser definido como a translação de um subespaço vetorial.[2] O invólucro afim de S é o conjunto de todas as combinações afim de elementos de S, ou seja,
Propriedade
- é um conjunto fechado [3] [4]
Referências
- ↑ Affine hull and convex hull por A Guevara - 12-set-2007[ligação inativa]
- ↑ Computational Geometry VU 2.0 por Dragoslav Ljubic publicado pela Vienna University of Technology em 20/12/2005 [1] Arquivado em 12 de maio de 2014, no Wayback Machine.
- ↑ Rudin, Walter (1976). Principles of Mathematical Analysis. [S.l.]: McGraw-Hill. ISBN 0-07-054235-X
- ↑ Munkres, James R. (2000). Topology 2nd ed. [S.l.]: Prentice Hall. ISBN 0-13-181629-2
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