This repository contains C implementations of the Krylov subspace methods: Arnoldi iteration (in Krylov.c), and the Generalized Minimal Residual (GMRES.c = non-parallelised, Par_GMRES.c = parallelised).

Compiled using:

gcc for Krylov.c and GMRES.c

gcc-14 and -fopenmp for Par_GMRES.c