• SJSU Singular Matrix Database

    SJSU Singular Matrix Database: NYPA group.

  • Click here for a description of the NYPA 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
    NYPA/Maragal_1 NYPA/
    Maragal_1
    522 MAT,
    MM,
    RB
    32 14 14 10 4 0.7143 ? 1.5e+015 52% real
    rect.
    NYPA/Maragal_2 NYPA/
    Maragal_2
    523 MAT,
    MM,
    RB
    555 350 220 171 179 0.4886 ? 9.8e+012 2% real
    rect.
    NYPA/Maragal_3 NYPA/
    Maragal_3
    524 MAT,
    MM,
    RB
    1,690 860 765 613 247 0.7128 ? 2.9e+012 1% real
    rect.
    NYPA/Maragal_4 NYPA/
    Maragal_4
    525 MAT,
    MM,
    RB
    1,964 1,034 995 801 233 0.7747 ? 2e+008 1% real
    rect.
    NYPA/Maragal_5 NYPA/
    Maragal_5
    526 MAT,
    MM,
    RB
    4,654 3,320 2,690 2,147 1,173 0.6467 ? 1.2e+010 0.6% real
    rect.

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