The solution of 1D diffusion equation on a half line (semi infinite) can be found with the help of Fourier Cosine Transform. Equation 3 is the attached figure is the solution of 1D diffusion equation (eq:1). I want to write a code for this equation in MATLAB/Python but I don't understand what value should I give for the dumy variable 'tau' .(adsbygoogle = window.adsbygoogle || []).push({});

This variable is not defined at the start and only appears during solution process.

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# A Understanding dummy variable in solution of 1D heat equation

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