{
    matrix_id: '742',
    name: 'lhr11',
    group: 'Mallya',
    description: 'Light hydrocarbon recovery. OK if illconditioned,from a nonlinear solvr',
    author: 'J. Mallya',
    editor: 'T. Davis',
    date: '1994',
    kind: 'chemical process simulation problem',
    problem_2D_or_3D: '0',
    num_rows: '10964',
    num_cols: '10964',
    nonzeros: '231806',
    num_explicit_zeros: '1935',
    num_strongly_connected_components: '31',
    num_dmperm_blocks: '1200',
    structural_full_rank: 'true',
    structural_rank: '10964',
    pattern_symmetry: '0.008',
    numeric_symmetry: '0.000',
    rb_type: 'real',
    structure: 'unsymmetric',
    cholesky_candidate: 'no',
    positive_definite: 'no',
    b_field: 'full 10964-by-1
',
    norm: '1.991276e+01',
    min_singular_value: '3.104050e-19',
    condition_number: '6.415089e+19',
    svd_rank: '10810',
    sprank_minus_rank: '154',
    null_space_dimension: '154',
    full_numerical_rank: 'no',
    svd_gap: '5.064442',
    image_files: 'lhr11.png,lhr11_dmperm.png,lhr11_scc.png,lhr11_svd.png,lhr11_APlusAT_graph.gif,lhr11_graph.gif,',
}
