Tao Object: 1 MPI process
  type: nls
    Newton steps: 2
    BFGS steps: 0
    Gradient steps: 0
    nls ksp atol: 0
    nls ksp rtol: 2
    nls ksp ctol: 0
    nls ksp negc: 0
    nls ksp dtol: 0
    nls ksp iter: 0
    nls ksp othr: 0
  Objective function:
    TaoTerm Object: 1 MPI process
      type: sum
      solution vector space: N = 20
      parameter vector space: (optional) K = 150
      Sum of 4 terms:
        Summand 0:
          Scale: 1.
          Term:
            TaoTerm Object: (data_) 1 MPI process
              type: quadratic
              solution vector space: N = 100
              parameter vector space: (optional) K = 100
              Mat Object: 1 MPI process
                type: diagonal
                rows=100, cols=100
                  Vec Object: 1 MPI process
                    type: seq
              total number of function evaluations=5
              total number of function/gradient evaluations=3
              total number of Hessian evaluations=2
          Map:
            Mat Object: (Amat_) 1 MPI process
              type: seqdense
              rows=100, cols=20
              total: nonzeros=2000, allocated nonzeros=2000
              total number of mallocs used during MatSetValues calls=0
        Summand 1:
          Scale: 0.1
          Term:
            TaoTerm Object: (ridge_) 1 MPI process
              type: halfl2squared
              solution vector space: N = 20
              parameter vector space: (optional) K = 20
              total number of function evaluations=5
              total number of function/gradient evaluations=3
              total number of Hessian evaluations=2
        Summand 2:
          Scale: 0.1
          Term:
            TaoTerm Object: (lasso_) 1 MPI process
              type: l1
              solution vector space: N = 10
              parameter vector space: (optional) K = 10
              epsilon (tao_term_l1_epsilon): 0.
              total number of function evaluations=5
              total number of function/gradient evaluations=3
              total number of Hessian evaluations=2
          Map:
            Mat Object: (Dmat_) 1 MPI process
              type: seqdense
              rows=10, cols=20
              total: nonzeros=200, allocated nonzeros=200
              total number of mallocs used during MatSetValues calls=0
        Summand 3:
          Scale: 1.
          Term:
            TaoTerm Object: (extra_) 1 MPI process
              type: halfl2squared
              solution vector space: N = 20
              parameter vector space: (optional) K = 20
              total number of function evaluations=5
              total number of function/gradient evaluations=3
              total number of Hessian evaluations=2
      total number of function evaluations=5
      total number of function/gradient evaluations=3
      total number of Hessian evaluations=2
  TaoLineSearch Object: 1 MPI process
    type: more-thuente
    maximum function evaluations=30
    tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9
    total number of function evaluations=0
    total number of gradient evaluations=0
    total number of function/gradient evaluations=1
    Termination reason: SUCCESS
  KSP Object: (tao_nls_) 1 MPI process
    type: stcg
    maximum iterations=10000, initial guess is zero
    tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
    left preconditioning
    using UNPRECONDITIONED norm type for convergence test
  PC Object: (tao_nls_) 1 MPI process
    type: ilu
      out-of-place factorization
      0 levels of fill
      tolerance for zero pivot 2.22045e-14
      matrix ordering: natural
      factor fill ratio given 1., needed 1.
        Factored matrix:
          Mat Object: (tao_nls_) 1 MPI process
            type: seqaij
            rows=20, cols=20
            package used to perform factorization: petsc
            total: nonzeros=400, allocated nonzeros=400
              using I-node routines: found 4 nodes, limit used is 5
    linear system matrix, which is also used to construct the preconditioner:
    Mat Object: 1 MPI process
      type: seqaij
      rows=20, cols=20
      total: nonzeros=400, allocated nonzeros=400
      total number of mallocs used during MatSetValues calls=0
        using I-node routines: found 4 nodes, limit used is 5
  total KSP iterations: 2
  convergence tolerances: gatol=1e-08,   grtol=1e-08,   steptol=0.,   gttol=0.
  Residual in Function/Gradient:=8.29653e-15
  Objective value=19.8102
  total number of iterations=2,                          (max: 50)
  total number of function evaluations=5,                  (max: unlimited)
  total number of function/gradient evaluations=3,      (max: unlimited)
  total number of Hessian evaluations=2
  Solution converged:    ||g(X)|| <= gatol
