I can't seem to find a way how to efficiently load scipy sparse matrices, e.g. csr_matrix, into a petsc4py matrix, e.g. PETSc.Mat().createAIJ. I found this thread, but I'm not able to apply it. I ...

I am starting use PETSc library to solve linear system of equations in parallel. I have installed all packages, build and run successfully the examples in petsc/src/ksp/ksp/examples/tutorials/ fold...