I feel this should be an elementary question, but I can't seem to figure out how to answer it. I am solving a simple linear elleptic-ish equation with
eq = (DiffusionTerm(var=Psi,coeff=DiffCoeff)+ExponentialConvectionTerm(var=Psi,coeff=convCoeff)) eq.solve(var=Psi) This works fine; the solution matches what I would expect. I have two questions: First, how can I obtain the value of the individual terms of the equation, evaluated with the solution in Psi? Second, is there any way to define my own new Psi (which is not an exact solution to the equation), and easily evaluate the DiffusionTerm and ExponentialConvectionTerm for that Psi? I am trying to illustrate how various parts of the solution evolve over the solution space, and how various approximations to the full solution differ from the full solution. Thanks to all who glance at this James Pringle University of New Hampshire
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