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Symbolic partial derivative input

Paul Warburton, Student
Posted 2 years ago
POSTED BY: Paul Warburton
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Thank you, I will try that :)
POSTED BY: Paul Warburton

Here is a way, using the D operator:

D[u[r, t], t] ==
 1/r D[r*D[u[r, t], r], r]
(D[u[r, t], r] /. r -> 0) == 0
(D[u[r, t], r] /. r -> 1) == 0
POSTED BY: Gianluca Gorni
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