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Stone-Weierstrass theorem |
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Stone-Weierstrass theorem [′stōn ′vī·ər‚sträs ‚thir·əm]
(mathematics) IfSis a collection of continuous real-valued functions on a compact spaceE, which contains the constant functions, and if for any pair of distinct pointsxandyinEthere is a function ƒ inSsuch that ƒ(x) is not equal to ƒ(y), then for any continuous real-valued functiongonEthere is a sequence of functions, each of which can be expressed as a polynomial in the functions ofSwith real coefficients, that converges uniformly tog. 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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