20 December 2023 8:20:43.103 AM solve_test(): Fortran77 version Test solve(). TEST01 R8MAT_FS solves a linear system with Gauss elimination. Solution: 1: 1.0000000 2: 2.0000000 3: 3.0000000 solve_test(): Normal end of execution. 20 December 2023 8:20:43.104 AM