Matrix: Mittelmann/pds-100

Description: Patient distribution (evacuation) system

Mittelmann/pds-100 graph
(bipartite graph drawing)


Mittelmann/pds-100 dmperm of Mittelmann/pds-100
scc of Mittelmann/pds-100

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  • download as a MATLAB mat-file, file size: 3 MB. Use UFget(1653) or UFget('Mittelmann/pds-100') in MATLAB.
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    Matrix properties
    number of rows156,243
    number of columns514,577
    nonzeros1,096,002
    structural full rank?no
    structural rank156,016
    # of blocks from dmperm1,618
    # strongly connected comp.300
    explicit zero entries0
    nonzero pattern symmetry 0%
    numeric value symmetry 0%
    typeinteger
    structurerectangular
    Cholesky candidate?no
    positive definite?no

    authorW. Carolan, J. Hill, J. Kennington, S. Niemi, S. Wichmann
    editorH. Mittelmann
    date1990
    kindlinear programming problem
    2D/3D problem?no

    Additional fieldssize and type
    bfull 156243-by-1
    cfull 514577-by-1
    lofull 514577-by-1
    hifull 514577-by-1
    z0full 1-by-1

    Notes:

    Hans Mittelmann test set, http://plato.asu.edu/ftp/lptestset       
    minimize c'*x, subject to A*x=b and lo <= x <= hi                  
                                                                       
    PDS:  Patient distribution (evacuation) system. see                
    W. Carolan, J. Hill, J. Kennington, S. Niemi, and S. Wichmann, "An 
    Empirical Evaluation of the KORBX Algorithms for Military Airlift,"
    Applications, Operations Research, 38, (1990), 240-248.            
    

    Ordering statistics:result
    nnz(V) for QR, upper bound nnz(L) for LU, with COLAMD4,673,156,775
    nnz(R) for QR, upper bound nnz(U) for LU, with COLAMD118,029,650

    For a description of the statistics displayed above, click here.

    Maintained by Tim Davis, last updated 12-Mar-2014.
    Matrix pictures by cspy, a MATLAB function in the CSparse package.
    Matrix graphs by Yifan Hu, AT&T Labs Visualization Group.