
PEP of diagonal problem, n=6

  1 PEP nconv=12 Values (Errors) 3. (removed) 2.5 (removed) 2. (removed) 1.5 (removed) 1. (removed) 0.5 (removed) -2. (removed) -4. (removed) -6. (removed) -8. (removed) -10. (removed) -12. (removed)
  1 PEP converged value (error) #0 3. (removed)
  1 PEP converged value (error) #1 2.5 (removed)
  1 PEP converged value (error) #2 2. (removed)
  1 PEP converged value (error) #3 1.5 (removed)
  1 PEP converged value (error) #4 1. (removed)
  1 PEP converged value (error) #5 0.5 (removed)
  1 PEP converged value (error) #6 -2. (removed)
  1 PEP converged value (error) #7 -4. (removed)
  1 PEP converged value (error) #8 -6. (removed)
  1 PEP converged value (error) #9 -8. (removed)
  1 PEP converged value (error) #10 -10. (removed)
  1 PEP converged value (error) #11 -12. (removed)
PEP Object: pep 1 MPI process
  type: toar
    50% of basis vectors kept after restart
    using the locking variant
  polynomial represented in MONOMIAL basis
  selected portion of the spectrum: largest real parts
  number of eigenvalues (nev): 1
  number of column vectors (ncv): 12
  maximum dimension of projected problem (mpd): 12
  maximum number of iterations: 100
  convergence test: relative to the eigenvalue
  extraction type: NORM
BV Object: 1 MPI process
  type: mat
  14 columns of global length 6
  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
DS Object: 1 MPI process
  type: nhep
ST Object: 1 MPI process
  type: shift
  shift: 0.
  number of matrices: 3
  nonzero pattern of the matrices: UNKNOWN
  KSP Object: (st_) 1 MPI process
    type: preonly
    maximum iterations=10000, initial guess is zero
    left preconditioning
    not checking for convergence
  PC Object: (st_) 1 MPI process
    type: lu
      out-of-place factorization
      matrix ordering: nd
      factor fill ratio given 5., needed 1.
        Factored matrix:
          Mat Object: (st_) 1 MPI process
            type: seqaij
            rows=6, cols=6
            package used to perform factorization: petsc
            total: nonzeros=6, allocated nonzeros=6
              not using I-node routines
    linear system matrix, which is also used to construct the preconditioner:
    Mat Object: (st_) 1 MPI process
      type: seqaij
      rows=6, cols=6
      total: nonzeros=6, allocated nonzeros=6
      total number of mallocs used during MatSetValues calls =0
        not using I-node routines
 Polynomial eigensolve converged (12 eigenpairs) due to CONVERGED_TOL; iterations 1
Error_pep = [
removed
removed
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removed
removed
removed
removed
removed
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];
 ---------------------- --------------------
            k                 eta(x,k)
 ---------------------- --------------------
        3.000000            removed
        2.500000            removed
        2.000000            removed
        1.500000            removed
        1.000000            removed
        0.500000            removed
       -2.000000            removed
       -4.000000            removed
       -6.000000            removed
       -8.000000            removed
      -10.000000            removed
      -12.000000            removed
 ---------------------- --------------------
Eigenvalues = 
   3.00000
   2.50000
   2.00000
   1.50000
   1.00000
   0.50000
   -2.00000
   -4.00000
   -6.00000
   -8.00000
   -10.00000
   -12.00000

 12 converged eigenpairs after 1 iterations
     3.00000

