| 单词 | Weierstrass transform |
| 释义 | Weierstrass transform [`vī·ǝr´shträs `tranz´fȯrm] MATHEMATICS This transform of a real function f (y ) is the function given by the integral from - ∞ to ∞ of (4πt )-1/2exp[-(x-y )2/4] f (y )dy ; this is used in studying the heat equation. |
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