10 September 2023 10:12:22 AM umfpack_simple(): C version Test umfpack() on a small sparse linear system A*x=b. Computed solution: x[0] = 1 x[1] = 2 x[2] = 3 x[3] = 4 x[4] = 5 umfpack_simple(): Normal end of execution. 10 September 2023 10:12:22 AM