{
    matrix_id: '520',
    name: 'G56',
    group: 'Gset',
    description: 'Random matrix, 0.05% uniformly distributed. G55=pattern of G56',
    author: 'C. Helmberg',
    editor: 'Y. Ye',
    date: '1996',
    kind: 'undirected weighted random graph',
    problem_2D_or_3D: '0',
    num_rows: '5000',
    num_cols: '5000',
    nonzeros: '24996',
    num_explicit_zeros: '0',
    num_strongly_connected_components: '32',
    pattern_symmetry: '1.000',
    numeric_symmetry: '1.000',
    rb_type: 'integer',
    structure: 'symmetric',
    cholesky_candidate: 'no',
    positive_definite: 'no',
    norm: '4.994132e+00',
    min_singular_value: '2.079683e-18',
    condition_number: '2401390730559075328',
    svd_rank: '4966',
    null_space_dimension: '34',
    full_numerical_rank: 'no',
    svd_gap: '69689366042.684875',
    image_files: 'G56.png,G56_scc.png,G56_svd.png,G56_graph.gif,',
}
