Can you post your boundary function?
Solving simple PDE Error
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I'm trying to solve a transient diffusion equation:
dC/dt=D*d/dx(dC/dx)
Initial condition: C=0 x>0
Boundary conditions: C=0.3 at x=0 dC/dx=0 at x=1
Is it possible to use pdepe to solve? I keep getting error: "This DAE appears to be of index greater than 1."
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