Numerical Solution and Simulation of Second-Order Parabolic PDEs with Sinc-Galerkin Method Using Maple

Figure 1

Simulation of approximate solution.

(a) The sinc-Galerkin solutions according to the grid points size N

(b) Intersection of surfaces for 𝑁=20. The left-side figure is normal perspective and the second one has medium perspective view

(c) The exact solution (or particular solution)