Automated solving of constant-coefficients second-order linear PDEs using Fourier analysis

04/02/2020

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by   Emmanuel Roque, et al.

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After discussing the limitations of current commercial software, we provide the details of an implementation of Fourier techniques for solving second-order linear partial differential equations (with constant coefficients) using a computer algebra system. The general Sturm-Liouville problem for the heat, wave and Laplace operators on the most common bounded domains is covered, as well as the general second-order linear parabolic equation with constant coefficients, which includes cases such as the convection-diffusion equation by reduction to the heat equation.