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dual basis |
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dual basis [¦dü·əl ′bā·ses]
(mathematics) for a finite-dimensional vector space with basisx1,x2, …,xn, the dual basis of the conjugate space is the set of linear functionalsf1,f2, …,fnwithfi(xi) = 1 andfi(xj) = 0 forinot equal toj. For a Barach space with basisx1,x2, …, the dual basis of the conjugate space is the sequence of continuous linear functionals,f1,f2, …, defined byfi(xi) = 1 andfi(xj) 0 forinot equal toj, provided that the conjugate space is shrinking. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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