{
    matrix_id: '2283',
    name: 'offshore',
    group: 'Um',
    description: '3D FEM, transient electric field diffusion. Evan Um, Stanford',
    author: 'E. Um',
    editor: 'T. Davis',
    date: '2010',
    kind: 'electromagnetics problem',
    problem_2D_or_3D: '1',
    num_rows: '259789',
    num_cols: '259789',
    nonzeros: '4242673',
    num_explicit_zeros: '0',
    num_strongly_connected_components: '1',
    num_dmperm_blocks: '1',
    structural_full_rank: 'true',
    structural_rank: '259789',
    pattern_symmetry: '1.000',
    numeric_symmetry: '1.000',
    rb_type: 'real',
    structure: 'symmetric',
    cholesky_candidate: 'yes',
    positive_definite: 'yes',
    notes: 'This is a finite-element system matrix deriving from the 3D transient
electric field diffusion equation. The matrix results from the       
discretization of offshore conductivity structures using tetrahedral 
elements.  Evan Um, Geophysics, Stanford.                            
',
    b_field: 'full 259789-by-1
',
    image_files: 'offshore.png,offshore_graph.gif,',
}
