1atol=1e-50, rtol=1e-08, stol=1e-08, maxit=50, maxf=10000 2 0 SNES Function norm 5.41468 3 1 SNES Function norm 4.14026 4 2 SNES Function norm 1.5562 5 3 SNES Function norm 0.0213393 6 4 SNES Function norm 2.29937e-06 7 5 SNES Function norm < 1.e-11 8SNES Object: 1 MPI processes 9 type: newtontr 10 Trust region tolerance (-snes_trtol) 11 mu=0.25, eta=0.75, sigma=0.0001 12 delta0=0.2, delta1=0.3, delta2=0.75, delta3=2. 13 maximum iterations=50, maximum function evaluations=10000 14 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 15 total number of linear solver iterations=5 16 total number of function evaluations=6 17 norm schedule ALWAYS 18 KSP Object: 1 MPI processes 19 type: gmres 20 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement 21 happy breakdown tolerance 1e-30 22 maximum iterations=10000, initial guess is zero 23 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 24 left preconditioning 25 using PRECONDITIONED norm type for convergence test 26 PC Object: 1 MPI processes 27 type: ilu 28 out-of-place factorization 29 0 levels of fill 30 tolerance for zero pivot 2.22045e-14 31 matrix ordering: natural 32 factor fill ratio given 1., needed 1. 33 Factored matrix follows: 34 Mat Object: 1 MPI processes 35 type: seqaij 36 rows=5, cols=5 37 package used to perform factorization: petsc 38 total: nonzeros=11, allocated nonzeros=11 39 not using I-node routines 40 linear system matrix = precond matrix: 41 Mat Object: 1 MPI processes 42 type: seqaij 43 rows=5, cols=5 44 total: nonzeros=11, allocated nonzeros=15 45 total number of mallocs used during MatSetValues calls=0 46 not using I-node routines 47number of SNES iterations = 5 48 49Norm of error 1.04724e-13, Iterations 5 50