{
    matrix_id: '2063',
    name: 'mk11-b3',
    group: 'JGD_Homology',
    description: 'Simplicial complexes from Homology from Volkmar Welker.',
    author: 'V. Welker',
    editor: 'J.-G. Dumas',
    date: '2008',
    kind: 'combinatorial problem',
    problem_2D_or_3D: '0',
    num_rows: '17325',
    num_cols: '6930',
    nonzeros: '69300',
    num_explicit_zeros: '0',
    num_strongly_connected_components: '1',
    num_dmperm_blocks: '1',
    structural_full_rank: 'true',
    structural_rank: '6930',
    pattern_symmetry: '0.000',
    numeric_symmetry: '0.000',
    rb_type: 'integer',
    structure: 'rectangular',
    cholesky_candidate: 'no',
    positive_definite: 'no',
    notes: 'Simplicial complexes from Homology from Volkmar Welker.     
From Jean-Guillaume Dumas\' Sparse Integer Matrix Collection,
http://ljk.imag.fr/membres/Jean-Guillaume.Dumas/simc.html   
                                                            
http://www.mathematik.uni-marburg.de/~welker/               
                                                            
Filename in JGD collection: Homology/mk11.b3.17325x6930.sms 
',
    norm: '4.690416e+00',
    min_singular_value: '8.010581e-16',
    condition_number: '5855275493475171',
    svd_rank: '5994',
    sprank_minus_rank: '936',
    null_space_dimension: '936',
    full_numerical_rank: 'no',
    svd_gap: '66398379729257.195312',
    image_files: 'mk11-b3.png,mk11-b3_svd.png,mk11-b3_graph.gif,',
}
