xref: /petsc/src/snes/tests/output/ex1_2c_snes_tr_qn-same.out (revision 70646cd191a02c3aba559ba717dac5da7a8a1e20)
124fb275aSStefano Zampini  Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 5
224fb275aSStefano ZampiniSNES Object: 1 MPI process
324fb275aSStefano Zampini  type: newtontr
43201ab8dSStefano Zampini    Trust region parameters:
524fb275aSStefano Zampini      eta1=0.001, eta2=0.25, eta3=0.75
63201ab8dSStefano Zampini      t1=0.25, t2=2.
73201ab8dSStefano Zampini      delta_min=1e-12, delta_0=0.2, delta_max=1e+10
824fb275aSStefano Zampini      kmdc=0.
924fb275aSStefano Zampini      fallback=NEWTON
1024fb275aSStefano Zampini      qn=SAME
1124fb275aSStefano Zampini      norm=INFINITY
1224fb275aSStefano Zampini  maximum iterations=50, maximum function evaluations=10000
1324fb275aSStefano Zampini  tolerances: relative=1e-08, absolute=1e-50, solution=0.
1424fb275aSStefano Zampini  total number of linear solver iterations=5
1524fb275aSStefano Zampini  total number of function evaluations=6
1624fb275aSStefano Zampini  norm schedule ALWAYS
1724fb275aSStefano Zampini  KSP Object: 1 MPI process
1824fb275aSStefano Zampini    type: gmres
19f971d498SPierre Jolivet      restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
20*143f2514SPierre Jolivet      happy breakdown tolerance=1e-30
2124fb275aSStefano Zampini    maximum iterations=10000, initial guess is zero
2224fb275aSStefano Zampini    tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
2324fb275aSStefano Zampini    left preconditioning
2424fb275aSStefano Zampini    using PRECONDITIONED norm type for convergence test
2524fb275aSStefano Zampini  PC Object: 1 MPI process
2624fb275aSStefano Zampini    type: mat
2724fb275aSStefano Zampini    PCApply() == MatSolve()
28ecf3d421SBarry Smith    linear system matrix, which is also used to construct the preconditioner:
2924fb275aSStefano Zampini    Mat Object: (snes_tr_qn_) 1 MPI process
3024fb275aSStefano Zampini      type: lmvmdfp
3124fb275aSStefano Zampini      rows=16, cols=16
3224fb275aSStefano Zampini        Max. storage: 5
3324fb275aSStefano Zampini        Used storage: 4
3424fb275aSStefano Zampini        Number of updates: 4
3524fb275aSStefano Zampini        Number of rejects: 0
3624fb275aSStefano Zampini        Number of resets: 0
3709fb3ddcSToby Isaac        J0:
3809fb3ddcSToby Isaac          Mat Object: (snes_tr_qn_mat_lmvm_J0_) 1 MPI process
3909fb3ddcSToby Isaac            type: diagonal
4024fb275aSStefano Zampini            rows=16, cols=16
4109fb3ddcSToby Isaac              Vec Object: 1 MPI process
4209fb3ddcSToby Isaac                type: seq
4309fb3ddcSToby Isaac        Rescale type: diagonal
4409fb3ddcSToby Isaac        Rescale history: 1
4509fb3ddcSToby Isaac        Rescale params: alpha=1., beta=0.5, rho=1.
4609fb3ddcSToby Isaac        Rescale convex factor: theta=0.125
4724fb275aSStefano ZampiniNumber of SNES iterations = 5
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