1 0 KSP Residual norm 7.102337158028e+00 2 1 KSP Residual norm 2.631521521273e-01 3 2 KSP Residual norm 1.540746348037e-02 4 3 KSP Residual norm 1.070258142311e-03 5 4 KSP Residual norm 1.047517589609e-04 6 5 KSP Residual norm 7.620751548719e-06 7 6 KSP Residual norm 5.144017301383e-07 8Norm of error 6.28919e-07 iterations 6 9