Matrix: Mittelmann/fome13

Description: Linear programming problem (H. Mittelmann test set)

Mittelmann/fome13 graph
(bipartite graph drawing)


Mittelmann/fome13
scc of Mittelmann/fome13

  • 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: 1 MB. Use UFget(1667) or UFget('Mittelmann/fome13') in MATLAB.
  • download in Matrix Market format, file size: 1 MB.
  • download in Rutherford/Boeing format, file size: 1 MB.

    Matrix properties
    number of rows48,568
    number of columns97,840
    nonzeros285,056
    structural full rank?yes
    structural rank48,568
    # of blocks from dmperm1
    # strongly connected comp.8
    explicit zero entries0
    nonzero pattern symmetry 0%
    numeric value symmetry 0%
    typereal
    structurerectangular
    Cholesky candidate?no
    positive definite?no

    author
    editorH. Mittelmann
    date2005
    kindlinear programming problem
    2D/3D problem?no

    Additional fieldssize and type
    bfull 48568-by-1
    cfull 97840-by-1
    lofull 97840-by-1
    hifull 97840-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           
    

    Ordering statistics:result
    nnz(V) for QR, upper bound nnz(L) for LU, with COLAMD71,548,423
    nnz(R) for QR, upper bound nnz(U) for LU, with COLAMD12,357,648

    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.