In our previous article about construction of the discrete Laplacian with numpy we discuss the discrete Laplacian calculation for numerical solving of diffusion PDE. Here we generalize this technique for the two-dimensional space. We describe the complete algorithm of solving of reaction-diffusion equations with implementation of Crank-Nicolson scheme for diffusion part together with Runge-Kutta scheme for […]
Reaction-diffusion systems in 2D space with python
Published in Январь 26th, 2016
Posted by comcon1 in Без рубрики
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Constructing discrete Laplacian via sparse matrix
Published in Январь 24th, 2016
Posted by comcon1 in Без рубрики
In this article we consider calculation of discrete Laplacian for 1D arrays using python/numpy/scipy. We introduce the sparse matrix technique that is rather efficient for computation of certain types of diffusion PDE.
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