Others would know more than me but there is a non-complex example in src/mat/tests/ex72.c
Mark On Fri, Jun 10, 2022 at 7:52 PM luciano Hammond Noratto <[email protected]> wrote: > Hello, > > I was trying to read a matrix and vector from here > https://sparse.tamu.edu/FEMLAB/waveguide3D and then solve the linear > system in parallel without success. I'm new in PETSC, I'd really appreciate > it if someone could help me to solve this problem. > > Luciano >
