[petsc-users] Some questions about TS/examples/tutorials/ex13

[Sajid Ali]

>   No, A(t) has five diagonals as indicated by the calls to MatSetValues()
with five entries per row; they correspond to the usual 5 pt stencil in 2d.
This might not be the right place to ask this, but I'm new to PDE's and I
expected to find something like the matrix to be used as the one derived in
slides 10-12 of this presentation :
https://www.math.ust.hk/~mawang/teaching/math532/mgtut.pdf

Thanks Matt for the advice on the book. I'll have a look at it.
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