Solving 1D diffusion PDE with finite quantity using pdepe/pdetoolbox

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Ambroise
Ambroise 2015-6-4
编辑： Ambroise 2015-6-4
Hi,
I am trying to solve the second fick's law (simple parabolic pde) for the diffusion in 1D of a finite amount of compound (here is my problem). I am new to the resolution of pde using matlab, and I have a problem understanding how the boundary conditions are implemented for a finite source. I am looking to make a GUI to allow colleagues to use it easily so I need to do it in command lines. I just need some help for the start, the I will be settled. Any help ?
Thank you,
Best,
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