
Square root eigenproblem, n=100

 Using full basis = false
 Using 4 RK shifts = 1.06 1.1 1.12 1.15
 First returned singularity = -1e+06
NEP Object: 1 MPI process
  type: nleigs
    50% of basis vectors kept after restart
    using the locking variant
    divided difference terms: used=20, max=20
    RK shifts: 1.06,1.1,1.12,1.15
    KSP Object: (nep_nleigs_) 1 MPI process
      type: preonly
      maximum iterations=10000, initial guess is zero
      left preconditioning
      using NONE norm type for convergence test
    PC Object: (nep_nleigs_) 1 MPI process
      type: lu
        out-of-place factorization
        matrix ordering: nd
        factor fill ratio given 5., needed 1.58389
          Factored matrix follows:
            Mat Object: (nep_nleigs_) 1 MPI process
              type: seqaij
              rows=100, cols=100
              package used to perform factorization: petsc
              total: nonzeros=472, allocated nonzeros=472
                not using I-node routines
      linear system matrix = precond matrix:
      Mat Object: (nep_nleigs_) 1 MPI process
        type: seqaij
        rows=100, cols=100
        total: nonzeros=298, allocated nonzeros=298
        total number of mallocs used during MatSetValues calls=0
          not using I-node routines
  problem type: general nonlinear eigenvalue problem
  nonlinear operator in split form
    number of terms: 2
    nonzero pattern of the matrices: SUBSET
  selected portion of the spectrum: closest to target: 1.1 (in magnitude)
  number of eigenvalues (nev): 3
  number of column vectors (ncv): 18
  maximum dimension of projected problem (mpd): 18
  maximum number of iterations: 5000
  convergence test: relative to the eigenvalue
BV Object: 1 MPI process
  type: svec
  37 columns of global length 100
  vector orthogonalization method: classical Gram-Schmidt
  orthogonalization refinement: if needed (eta: 0.7071)
  block orthogonalization method: GS
  doing matmult as a single matrix-matrix product
RG Object: 1 MPI process
  type: interval
    region: [0.01,16.]x[-0.001,0.001]
DS Object: 1 MPI process
  type: gnhep
     1.15063, 1.03635, 0.92988

