Open amontoison opened 18 hours ago
@michel2323 https://jso.dev/Krylov.jl/previews/PR891/matrix_free/#Example-4:-Solving-the-Poisson-equation-with-a-matrix-free-multigrid-preconditioner
@michel2323 https://jso.dev/Krylov.jl/previews/PR891/matrix_free/#Example-4:-Solving-the-Poisson-equation-with-a-matrix-free-multigrid-preconditioner