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The wave, Laplace, and heat equations and related transforms
Published online by Cambridge University Press: 18 May 2009
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This paper is concerned with three basic transforms
The first of these has been studied by Widder [1], who points out that f(t) can be interpreted as the temperature u(0, t) on the time axis, where u(x, t) is the solution of the heat equation withsymmetric initial temperature u(x, 0) = g(|x|). The second has also been studied by Widder [2], where it is pointed out that f(t) can be interpreted as the value of the harmonic function u(x, t) on the t-axis arising from the boundary data u(x, 0) = g(|x|).
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- Copyright © Glasgow Mathematical Journal Trust 1970
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