1atol=1e-50, rtol=1e-08, stol=1e-08, maxit=50, maxf=10000 2 0 SNES Function norm 5.41468 3 0 KSP Residual norm 9.559082033938e-01 4 1 KSP Residual norm 1.251501673793e-16 5 1 SNES Function norm 0.295258 6 0 KSP Residual norm 2.672054734966e-02 7 1 KSP Residual norm 0.000000000000e+00 8 2 SNES Function norm 0.000450229 9 0 KSP Residual norm 4.722080069953e-05 10 1 KSP Residual norm 7.863843026677e-21 11 3 SNES Function norm 1.38967e-09 12number of SNES iterations = 3 13 14Norm of error 1.49752e-10, Iterations 3 15