• SJSU Singular Matrix Database

    SJSU Singular Matrix Database: Pajek group.

  • Click here for a description of the Pajek 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
    Pajek/California Pajek/
    California
    297 MAT,
    MM,
    RB
    9,664 9,664 1,686 1,647 8,017 0.1704 Inf 5.8e+012 0.017% binary
    unsym.
    Pajek/CSphd Pajek/
    CSphd
    1 MAT,
    MM,
    RB
    1,882 1,882 706 705 1,177 0.3746 Inf 7.4e+013 0.049% binary
    unsym.
    Pajek/dictionary28 Pajek/
    dictionary28
    466 MAT,
    MM,
    RB
    52,652 52,652 38,108 37,774 14,878 0.7174 Inf 2.3e+010 0.0064% binary
    sym.
    Pajek/EPA Pajek/
    EPA
    2 MAT,
    MM,
    RB
    4,772 4,772 986 951 3,821 0.1993 Inf 1.2e+012 0.039% binary
    unsym.
    Pajek/Erdos02 Pajek/
    Erdos02
    532 MAT,
    MM,
    RB
    6,927 6,927 938 938 5,989 0.1354 Inf 9.2e+012 0.035% binary
    sym.
    Pajek/Erdos971 Pajek/
    Erdos971
    3 MAT,
    MM,
    RB
    472 472 414 413 59 0.8750 Inf 1.9e+012 1% binary
    sym.
    Pajek/Erdos972 Pajek/
    Erdos972
    529 MAT,
    MM,
    RB
    5,488 5,488 882 882 4,606 0.1607 Inf 1.5e+013 0.047% binary
    sym.
    Pajek/Erdos981 Pajek/
    Erdos981
    4 MAT,
    MM,
    RB
    485 485 427 427 58 0.8804 Inf 9.8e+010 1% binary
    sym.
    Pajek/Erdos982 Pajek/
    Erdos982
    530 MAT,
    MM,
    RB
    5,822 5,822 908 908 4,914 0.1560 Inf 1.1e+013 0.044% binary
    sym.
    Pajek/Erdos991 Pajek/
    Erdos991
    5 MAT,
    MM,
    RB
    492 492 436 435 57 0.8841 Inf 1.1e+012 1% binary
    sym.
    Pajek/Erdos992 Pajek/
    Erdos992
    531 MAT,
    MM,
    RB
    6,100 6,100 922 922 5,178 0.1511 Inf 9.8e+012 0.04% binary
    sym.
    Pajek/EVA Pajek/
    EVA
    284 MAT,
    MM,
    RB
    8,497 8,497 1,303 1,301 7,196 0.1531 Inf 2.1e+012 0.0093% binary
    unsym.
    Pajek/football Pajek/
    football
    123 MAT,
    MM,
    RB
    35 35 19 19 16 0.5429 Inf 1.4e+014 10% integer
    unsym.
    Pajek/GD00_a Pajek/
    GD00_a
    11 MAT,
    MM,
    RB
    352 352 179 178 174 0.5057 Inf 7.7e+013 0.37% binary
    unsym.
    Pajek/GD00_c Pajek/
    GD00_c
    12 MAT,
    MM,
    RB
    638 638 302 300 338 0.4702 Inf 4.8e+013 0.26% integer
    unsym.
    Pajek/GD01_a Pajek/
    GD01_a
    13 MAT,
    MM,
    RB
    311 311 158 155 156 0.4984 Inf 4.1e+013 0.67% integer
    unsym.
    Pajek/GD01_A Pajek/
    GD01_A
    528 MAT,
    MM,
    RB
    953 953 158 155 798 0.1626 Inf 4.3e+013 0.071% integer
    unsym.
    Pajek/GD01_b Pajek/
    GD01_b
    14 MAT,
    MM,
    RB
    18 18 17 17 1 0.9444 Inf Inf 11% binary
    unsym.
    Pajek/GD01_c Pajek/
    GD01_c
    15 MAT,
    MM,
    RB
    33 33 27 25 8 0.7576 Inf 8.8e+014 12% integer
    unsym.
    Pajek/GD02_a Pajek/
    GD02_a
    16 MAT,
    MM,
    RB
    23 23 19 18 5 0.7826 Inf 6.9e+014 16% binary
    unsym.
    Pajek/GD02_b Pajek/
    GD02_b
    17 MAT,
    MM,
    RB
    80 80 77 77 3 0.9625 Inf 3.1e+014 4% binary
    unsym.
    Pajek/GD06_Java Pajek/
    GD06_Java
    18 MAT,
    MM,
    RB
    1,538 1,538 759 744 794 0.4837 Inf 7.5e+012 0.34% binary
    unsym.
    Pajek/GD06_theory Pajek/
    GD06_theory
    19 MAT,
    MM,
    RB
    101 101 20 20 81 0.1980 Inf 1.2e+015 4% binary
    sym.
    Pajek/GD95_a Pajek/
    GD95_a
    20 MAT,
    MM,
    RB
    36 36 32 31 5 0.8611 Inf 2.1e+015 4% binary
    unsym.
    Pajek/GD95_b Pajek/
    GD95_b
    21 MAT,
    MM,
    RB
    73 73 34 34 39 0.4658 Inf 5.2e+014 2% binary
    unsym.
    Pajek/GD96_a Pajek/
    GD96_a
    22 MAT,
    MM,
    RB
    1,096 1,096 827 827 269 0.7546 Inf 1.7e+014 0.14% integer
    unsym.
    Pajek/GD96_b Pajek/
    GD96_b
    23 MAT,
    MM,
    RB
    111 111 20 19 92 0.1712 Inf 7.6e+014 2% binary
    unsym.
    Pajek/GD96_c Pajek/
    GD96_c
    24 MAT,
    MM,
    RB
    65 65 64 63 2 0.9692 Inf 2.6e+014 6% binary
    sym.
    Pajek/GD96_d Pajek/
    GD96_d
    25 MAT,
    MM,
    RB
    180 180 73 73 107 0.4056 Inf 7.7e+013 0.71% binary
    unsym.
    Pajek/GD97_a Pajek/
    GD97_a
    26 MAT,
    MM,
    RB
    84 84 84 80 4 0.9524 Inf 6.4e+013 5% binary
    sym.
    Pajek/GD97_b Pajek/
    GD97_b
    27 MAT,
    MM,
    RB
    47 47 44 44 3 0.9362 Inf 3.8e+010 12% real
    sym.
    Pajek/GD97_c Pajek/
    GD97_c
    28 MAT,
    MM,
    RB
    452 452 63 63 389 0.1394 Inf 1.7e+013 0.23% integer
    unsym.
    Pajek/GD98_a Pajek/
    GD98_a
    29 MAT,
    MM,
    RB
    38 38 14 14 24 0.3684 Inf 1.5e+015 3% binary
    unsym.
    Pajek/GD98_b Pajek/
    GD98_b
    30 MAT,
    MM,
    RB
    121 121 87 87 34 0.7190 Inf 8.7e+014 1% binary
    unsym.
    Pajek/GD98_c Pajek/
    GD98_c
    31 MAT,
    MM,
    RB
    112 112 112 100 12 0.8929 Inf 3.5e+014 3% binary
    sym.
    Pajek/GD99_b Pajek/
    GD99_b
    32 MAT,
    MM,
    RB
    64 64 64 45 19 0.7031 Inf 2.3e+014 6% integer
    sym.
    Pajek/GD99_c Pajek/
    GD99_c
    33 MAT,
    MM,
    RB
    105 105 64 64 41 0.6095 Inf 6e+014 1% binary
    unsym.
    Pajek/geom Pajek/
    geom
    306 MAT,
    MM,
    RB
    7,343 7,343 5,517 5,499 1,844 0.7489 Inf 6.1e+009 0.044% integer
    sym.
    Pajek/GlossGT Pajek/
    GlossGT
    34 MAT,
    MM,
    RB
    72 72 35 35 37 0.4861 Inf 4.2e+014 2% binary
    unsym.
    Pajek/internet Pajek/
    internet
    354 MAT,
    MM,
    RB
    124,651 124,651 66,679 66,598 58,053 0.5343 Inf 3.4e+006 0.0013% integer
    unsym.
    Pajek/Kohonen Pajek/
    Kohonen
    36 MAT,
    MM,
    RB
    4,470 4,470 1,658 1,652 2,818 0.3696 Inf 2.2e+012 0.064% binary
    unsym.
    Pajek/Lederberg Pajek/
    Lederberg
    302 MAT,
    MM,
    RB
    8,843 8,843 4,179 4,170 4,673 0.4716 Inf 1.8e+011 0.053% integer
    unsym.
    Pajek/ODLIS Pajek/
    ODLIS
    38 MAT,
    MM,
    RB
    2,909 2,909 1,961 1,959 950 0.6734 Inf 2.1e+012 0.22% integer
    unsym.
    Pajek/Ragusa16 Pajek/
    Ragusa16
    39 MAT,
    MM,
    RB
    24 24 18 18 6 0.7500 Inf 3.3e+014 14% integer
    unsym.
    Pajek/Ragusa18 Pajek/
    Ragusa18
    40 MAT,
    MM,
    RB
    23 23 15 15 8 0.6522 Inf 1e+015 12% integer
    unsym.
    Pajek/Roget Pajek/
    Roget
    41 MAT,
    MM,
    RB
    1,022 1,022 986 984 38 0.9628 Inf 9.8e+011 0.49% binary
    unsym.
    Pajek/Sandi_authors Pajek/
    Sandi_authors
    42 MAT,
    MM,
    RB
    86 86 72 72 14 0.8372 Inf 9.7e+013 3% integer
    sym.
    Pajek/Sandi_sandi Pajek/
    Sandi_sandi
    269 MAT,
    MM,
    RB
    314 360 246 239 121 0.7611 ? 1.5e+014 0.54% binary
    rect.
    Pajek/SciMet Pajek/
    SciMet
    43 MAT,
    MM,
    RB
    3,084 3,084 1,573 1,569 1,515 0.5088 Inf 1.9e+012 0.11% integer
    unsym.
    Pajek/SmaGri Pajek/
    SmaGri
    44 MAT,
    MM,
    RB
    1,059 1,059 513 511 548 0.4825 Inf 4.2e+012 0.44% integer
    unsym.
    Pajek/SmallW Pajek/
    SmallW
    45 MAT,
    MM,
    RB
    396 396 93 92 304 0.2323 Inf 7e+013 0.63% integer
    unsym.
    Pajek/Tina_AskCal Pajek/
    Tina_AskCal
    46 MAT,
    MM,
    RB
    11 11 9 9 2 0.8182 Inf 6.2e+015 24% binary
    unsym.
    Pajek/Tina_DisCal Pajek/
    Tina_DisCal
    47 MAT,
    MM,
    RB
    11 11 10 10 1 0.9091 Inf Inf 34% binary
    unsym.
    Pajek/Tina_DisCog Pajek/
    Tina_DisCog
    48 MAT,
    MM,
    RB
    11 11 11 10 1 0.9091 Inf 4e+015 40% binary
    unsym.
    Pajek/USAir97 Pajek/
    USAir97
    49 MAT,
    MM,
    RB
    332 332 281 281 51 0.8464 Inf 2.7e+009 4% real
    sym.
    Pajek/USpowerGrid Pajek/
    USpowerGrid
    50 MAT,
    MM,
    RB
    4,941 4,941 4,366 4,348 593 0.8800 Inf 3.1e+012 0.054% binary
    sym.
    Pajek/yeast Pajek/
    yeast
    227 MAT,
    MM,
    RB
    2,361 2,361 1,659 1,644 717 0.6963 Inf 1.7e+012 0.25% binary
    sym.
    Pajek/Zewail Pajek/
    Zewail
    304 MAT,
    MM,
    RB
    6,752 6,752 4,325 4,301 2,451 0.6370 Inf 2.7e+011 0.12% integer
    unsym.

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