C and Python examples from my book on using PETSc and Firedrake to solve PDEs
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bueler opened this issue 9 years ago · comments
Note j[4] is initialized already. It is much clearer code if I do
double v[4][4] = {{1.0, 2.0, 3.0, 0.0}, {2.0, 1.0, -2.0, -3.0}, ...