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Question: PDE solution with initial conditions?

Question:PDE solution with initial conditions?

Mechoption 24 Maple
December 12 2008
0
I'm trying to solve a diffusion PDE with initial conditions, but can't seem to get the syntax right? Here's what I have: pde:= diff(C(r, t), t) = Di*(diff(r^2*(diff(C(r, t), r)), r))/r^2-lambda*C(r, t)+Beta Initial conditions (which I'm not sure how to define) C(r,0)=0 C(0,t)=finite C(a,t)=0 r=0 to a t>0 I can use pdsolve(pde,build) to get a reasonable solution, but when I try: pdsolve(eq, C(a, t) = 0, build) I get: Error, (in pdsolve/info) wrong extra arguments: {C(a, t) = 0} According to pdsolve help, I should be able to include initial conditions but can't figure it out?
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