{
    matrix_id: '1627',
    name: 'qh768',
    group: 'Bai',
    description: 'QUEBEC HYDRO POWER SYSTEM',
    author: 'D. Ndereyimana',
    editor: 'Z. Bai, D. Day, J. Demmel, J. Dongarra',
    date: '1994',
    kind: 'power network problem',
    problem_2D_or_3D: '0',
    num_rows: '768',
    num_cols: '768',
    nonzeros: '2934',
    num_explicit_zeros: '0',
    num_strongly_connected_components: '1',
    num_dmperm_blocks: '43',
    structural_full_rank: 'true',
    structural_rank: '768',
    pattern_symmetry: '0.935',
    numeric_symmetry: '0.000',
    rb_type: 'real',
    structure: 'unsymmetric',
    cholesky_candidate: 'no',
    positive_definite: 'no',
    norm: '1.356701e+13',
    min_singular_value: '1.570260e-04',
    condition_number: '86399777687894768',
    svd_rank: '644',
    sprank_minus_rank: '124',
    null_space_dimension: '124',
    full_numerical_rank: 'no',
    svd_gap: '1.036854',
    image_files: 'qh768.png,qh768_dmperm.png,qh768_svd.png,qh768_APlusAT_graph.gif,qh768_graph.gif,',
}
