Weierstrass transform

Weierstrass transform

[′vī·ər‚shträs ′tranz‚fȯrm]
(mathematics)
This transform of a real function ƒ(y) is the function given by the integral from - ∞ to ∞ of (4π t)-1/2exp[-(x-y)2/4] ƒ(y) dy; this is used in studying the heat equation.
References in periodicals archive ?
Huber: The calculation of novel class of solutions of a non-linear fourth order evolution equation by the Weierstrass transform method, Chaos Soliton Fractals, 201(2008), 668-677.