• SJSU Singular Matrix Database

    SJSU Singular Matrix Database: Nasa group.

  • Click here for a description of the Nasa group.
  • Click here for a list of all matrix groups.

    singular
    value
    spectrum
    thumbnail
    Group /
    Name
    SJid down-
    load
    # rows # cols struct.
    rank
    num.
    rank
    dim
    null
    space
    num.
    rank /
    min(m,n)
    condest gap nnz /
    (m*n)
    type
    Nasa/barth Nasa/
    barth
    325 MAT,
    MM,
    RB
    6,691 6,691 6,691 6,690 1 0.9999 Inf 5.5e+010 0.059% binary
    unsym.
    Nasa/barth4 Nasa/
    barth4
    333 MAT,
    MM,
    RB
    6,019 6,019 6,019 6,018 1 0.9998 6.2e+021 5.7e+010 0.065% binary
    unsym.
    Nasa/pwt Nasa/
    pwt
    461 MAT,
    MM,
    RB
    36,519 36,519 36,519 35,475 1,044 0.9714 Inf 8.7e+008 0.024% binary
    sym.
    Nasa/shuttle_eddy Nasa/
    shuttle_eddy
    363 MAT,
    MM,
    RB
    10,429 10,429 10,429 9,757 672 0.9356 Inf 4e+013 0.095% binary
    sym.
    Nasa/skirt Nasa/
    skirt
    395 MAT,
    MM,
    RB
    12,598 12,598 12,598 9,831 2,767 0.7804 Inf 2.1e+009 0.12% binary
    sym.

    Maintained by Leslie Foster, last updated 16-Feb-2009.
    See SJget to download directly into MATLAB.