Question: forward difference method for PDE

I want to solve following PDE question with forward difference method inn Maple. Can you help me please?


du/dt=d^2u/dx^2, 0<x<2, t>0


u(0,t)=0, u(2,t)=0


Use h=0.4 and k=0.1. and compare your answers at  t=0.5 to the exact solution u(x,t)=exp(-4*pi^2*t)*sin(2pi*x). Then use h=0.4 and k=0.05,and compare the answers. 

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