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Results tagged with equation-solving
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user 12353
Questions on the analytic and numerical equation solving functions of Mathematica (Solve, Reduce, NSolve, FindRoot, DSolve, RSolve, etc.).
5
votes
2
answers
2k
views
2d heat conduction equation: Boundary and initial conditions are inconsistent
I have the following code for a 2d heat c equation:
soln = NDSolve[{ D[y[r, f, t], r, r] +
(1/r)*D[y[r, f, t], r] +
(1/r^2)*D[y[r, f, t], f, f] ==
…
- 40.7k