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

  • Home page of the UF Sparse Matrix Collection
  • Matrix group: Mittelmann
  • Click here for a description of the Mittelmann group.
  • Click here for a list of all matrices
  • Click here for a list of all matrix groups
  • download as a MATLAB mat-file, file size: 3 MB. Use UFget(1653) or UFget('Mittelmann/pds-100') in MATLAB.
  • download in Matrix Market format, file size: 4 MB.
  • download in Rutherford/Boeing format, file size: 3 MB.

    Matrix properties
    number of rows156,243
    number of columns514,577
    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%
    Cholesky candidate?no
    positive definite?no

    authorW. Carolan, J. Hill, J. Kennington, S. Niemi, S. Wichmann
    editorH. Mittelmann
    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


    Hans Mittelmann test set,       
    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.