• SJSU Singular Matrix Database

    SJSU Singular Matrix Database: Schenk_IBMSDS group.

  • Click here for a description of the Schenk_IBMSDS 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
    Schenk_IBMSDS/2D_27628_bjtcai Schenk_IBMSDS/
    2D_27628_bjtcai
    479 MAT,
    MM,
    RB
    27,628 27,628 27,628 18,442 9,186 0.6675 6.5e+019 1.7e+006 0.027% real
    unsym.
    Schenk_IBMSDS/2D_54019_highK Schenk_IBMSDS/
    2D_54019_highK
    519 MAT,
    MM,
    RB
    54,019 54,019 54,019 45 53,974 0.0008 7.6e+032 1.0151 0.017% real
    unsym.
    Schenk_IBMSDS/3D_28984_Tetra Schenk_IBMSDS/
    3D_28984_Tetra
    517 MAT,
    MM,
    RB
    28,984 28,984 28,984 846 28,138 0.0292 2.6e+042 3e+010 0.034% real
    unsym.

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