• SJSU Singular Matrix Database

    SJSU Singular Matrix Database: JGD_Homology group.

  • Click here for a description of the JGD_Homology 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
    JGD_Homology/ch3-3-b1 JGD_Homology/
    ch3-3-b1
    544 MAT,
    MM,
    RB
    18 9 9 8 1 0.8889 ? 6.4e+015 22% integer
    rect.
    JGD_Homology/ch4-4-b1 JGD_Homology/
    ch4-4-b1
    552 MAT,
    MM,
    RB
    72 16 16 15 1 0.9375 ? 3.9e+015 13% integer
    rect.
    JGD_Homology/ch4-4-b2 JGD_Homology/
    ch4-4-b2
    564 MAT,
    MM,
    RB
    96 72 72 57 15 0.7917 ? 9.8e+014 4% integer
    rect.
    JGD_Homology/ch5-5-b1 JGD_Homology/
    ch5-5-b1
    558 MAT,
    MM,
    RB
    200 25 25 24 1 0.9600 ? 2.1e+015 8% integer
    rect.
    JGD_Homology/ch5-5-b2 JGD_Homology/
    ch5-5-b2
    595 MAT,
    MM,
    RB
    600 200 200 176 24 0.8800 ? 7.2e+014 2% integer
    rect.
    JGD_Homology/ch5-5-b3 JGD_Homology/
    ch5-5-b3
    613 MAT,
    MM,
    RB
    600 600 600 424 176 0.7067 Inf 2.2e+014 0.67% integer
    unsym.
    JGD_Homology/ch6-6-b1 JGD_Homology/
    ch6-6-b1
    565 MAT,
    MM,
    RB
    450 36 36 35 1 0.9722 ? 9.8e+014 6% integer
    rect.
    JGD_Homology/ch6-6-b2 JGD_Homology/
    ch6-6-b2
    620 MAT,
    MM,
    RB
    2,400 450 450 415 35 0.9222 ? 3.1e+014 0.67% integer
    rect.
    JGD_Homology/ch6-6-b3 JGD_Homology/
    ch6-6-b3
    658 MAT,
    MM,
    RB
    5,400 2,400 2,400 1,985 415 0.8271 ? 2.1e+014 0.17% integer
    rect.
    JGD_Homology/ch6-6-b4 JGD_Homology/
    ch6-6-b4
    673 MAT,
    MM,
    RB
    4,320 5,400 4,320 3,390 2,010 0.7847 ? 8.2e+013 0.093% integer
    rect.
    JGD_Homology/ch7-6-b1 JGD_Homology/
    ch7-6-b1
    568 MAT,
    MM,
    RB
    630 42 42 41 1 0.9762 ? 6.7e+014 5% integer
    rect.
    JGD_Homology/ch7-6-b2 JGD_Homology/
    ch7-6-b2
    631 MAT,
    MM,
    RB
    4,200 630 630 589 41 0.9349 ? 2.4e+014 0.48% integer
    rect.
    JGD_Homology/ch7-6-b3 JGD_Homology/
    ch7-6-b3
    681 MAT,
    MM,
    RB
    12,600 4,200 4,200 3,611 589 0.8598 ? 1.2e+014 0.095% integer
    rect.
    JGD_Homology/ch7-6-b5 JGD_Homology/
    ch7-6-b5
    689 MAT,
    MM,
    RB
    5,040 15,120 5,040 5,039 10,081 0.9998 ? 1.5e+014 0.04% integer
    rect.
    JGD_Homology/ch7-7-b1 JGD_Homology/
    ch7-7-b1
    573 MAT,
    MM,
    RB
    882 49 49 48 1 0.9796 ? 4.6e+014 4% integer
    rect.
    JGD_Homology/ch7-7-b2 JGD_Homology/
    ch7-7-b2
    639 MAT,
    MM,
    RB
    7,350 882 882 834 48 0.9456 ? 1.5e+014 0.34% integer
    rect.
    JGD_Homology/ch7-8-b1 JGD_Homology/
    ch7-8-b1
    578 MAT,
    MM,
    RB
    1,176 56 56 55 1 0.9821 ? 4e+014 4% integer
    rect.
    JGD_Homology/ch7-8-b2 JGD_Homology/
    ch7-8-b2
    651 MAT,
    MM,
    RB
    11,760 1,176 1,176 1,121 55 0.9532 ? 8.9e+013 0.26% integer
    rect.
    JGD_Homology/ch7-9-b1 JGD_Homology/
    ch7-9-b1
    583 MAT,
    MM,
    RB
    1,512 63 63 62 1 0.9841 ? 2.9e+014 3% integer
    rect.
    JGD_Homology/ch7-9-b2 JGD_Homology/
    ch7-9-b2
    661 MAT,
    MM,
    RB
    17,640 1,512 1,512 1,450 62 0.9590 ? 5e+013 0.2% integer
    rect.
    JGD_Homology/ch8-8-b1 JGD_Homology/
    ch8-8-b1
    584 MAT,
    MM,
    RB
    1,568 64 64 63 1 0.9844 ? 2.8e+014 3% integer
    rect.
    JGD_Homology/ch8-8-b2 JGD_Homology/
    ch8-8-b2
    664 MAT,
    MM,
    RB
    18,816 1,568 1,568 1,505 63 0.9598 ? 6.5e+013 0.19% integer
    rect.
    JGD_Homology/cis-n4c6-b1 JGD_Homology/
    cis-n4c6-b1
    556 MAT,
    MM,
    RB
    210 21 21 20 1 0.9524 ? 1.8e+015 10% integer
    rect.
    JGD_Homology/cis-n4c6-b14 JGD_Homology/
    cis-n4c6-b14
    635 MAT,
    MM,
    RB
    920 6,300 920 860 5,440 0.9348 ? 1.9e+014 0.24% integer
    rect.
    JGD_Homology/cis-n4c6-b2 JGD_Homology/
    cis-n4c6-b2
    599 MAT,
    MM,
    RB
    1,330 210 210 190 20 0.9048 ? 6e+014 1% integer
    rect.
    JGD_Homology/cis-n4c6-b3 JGD_Homology/
    cis-n4c6-b3
    644 MAT,
    MM,
    RB
    5,970 1,330 1,330 1,140 190 0.8571 ? 2.7e+014 0.3% integer
    rect.
    JGD_Homology/cis-n4c6-b4 JGD_Homology/
    cis-n4c6-b4
    690 MAT,
    MM,
    RB
    20,058 5,970 5,970 4,830 1,140 0.8090 ? 9.8e+013 0.084% integer
    rect.
    JGD_Homology/D6-6 JGD_Homology/
    D6-6
    699 MAT,
    MM,
    RB
    120,576 23,740 18,660 14,409 9,331 0.6070 ? 9.3e+014 0.0051% integer
    rect.
    JGD_Homology/klein-b1 JGD_Homology/
    klein-b1
    545 MAT,
    MM,
    RB
    30 10 10 9 1 0.9000 ? 6.7e+015 20% integer
    rect.
    JGD_Homology/lutz30-23-b6 JGD_Homology/
    lutz30-23-b6
    642 MAT,
    MM,
    RB
    1,716 3,003 1,716 1,702 1,301 0.9918 ? 5.6e+013 0.23% integer
    rect.
    JGD_Homology/mk10-b1 JGD_Homology/
    mk10-b1
    570 MAT,
    MM,
    RB
    630 45 45 44 1 0.9778 ? 6.8e+014 4% integer
    rect.
    JGD_Homology/mk10-b2 JGD_Homology/
    mk10-b2
    627 MAT,
    MM,
    RB
    3,150 630 630 586 44 0.9302 ? 2.6e+014 0.48% integer
    rect.
    JGD_Homology/mk10-b3 JGD_Homology/
    mk10-b3
    665 MAT,
    MM,
    RB
    4,725 3,150 3,150 2,564 586 0.8140 ? 1.6e+014 0.13% integer
    rect.
    JGD_Homology/mk11-b1 JGD_Homology/
    mk11-b1
    574 MAT,
    MM,
    RB
    990 55 55 54 1 0.9818 ? 4.2e+014 4% integer
    rect.
    JGD_Homology/mk11-b2 JGD_Homology/
    mk11-b2
    640 MAT,
    MM,
    RB
    6,930 990 990 936 54 0.9455 ? 1.2e+014 0.3% integer
    rect.
    JGD_Homology/mk11-b3 JGD_Homology/
    mk11-b3
    692 MAT,
    MM,
    RB
    17,325 6,930 6,930 5,994 936 0.8649 ? 6.7e+013 0.058% integer
    rect.
    JGD_Homology/mk12-b1 JGD_Homology/
    mk12-b1
    585 MAT,
    MM,
    RB
    1,485 66 66 65 1 0.9848 ? 3e+014 3% integer
    rect.
    JGD_Homology/mk12-b2 JGD_Homology/
    mk12-b2
    656 MAT,
    MM,
    RB
    13,860 1,485 1,485 1,420 65 0.9562 ? 6.9e+013 0.2% integer
    rect.
    JGD_Homology/mk9-b1 JGD_Homology/
    mk9-b1
    563 MAT,
    MM,
    RB
    378 36 36 35 1 0.9722 ? 9e+014 6% integer
    rect.
    JGD_Homology/mk9-b2 JGD_Homology/
    mk9-b2
    610 MAT,
    MM,
    RB
    1,260 378 378 343 35 0.9074 ? 6.5e+014 0.79% integer
    rect.
    JGD_Homology/mk9-b3 JGD_Homology/
    mk9-b3
    624 MAT,
    MM,
    RB
    945 1,260 945 875 385 0.9259 ? 2e+014 0.32% integer
    rect.
    JGD_Homology/n2c6-b1 JGD_Homology/
    n2c6-b1
    553 MAT,
    MM,
    RB
    105 15 15 14 1 0.9333 ? 2.7e+015 13% integer
    rect.
    JGD_Homology/n2c6-b2 JGD_Homology/
    n2c6-b2
    579 MAT,
    MM,
    RB
    455 105 105 91 14 0.8667 ? 1.1e+015 3% integer
    rect.
    JGD_Homology/n2c6-b3 JGD_Homology/
    n2c6-b3
    617 MAT,
    MM,
    RB
    1,365 455 455 364 91 0.8000 ? 7.7e+014 0.88% integer
    rect.
    JGD_Homology/n2c6-b4 JGD_Homology/
    n2c6-b4
    637 MAT,
    MM,
    RB
    3,003 1,365 1,365 1,001 364 0.7333 ? 5.4e+014 0.37% integer
    rect.
    JGD_Homology/n2c6-b5 JGD_Homology/
    n2c6-b5
    662 MAT,
    MM,
    RB
    4,945 3,003 3,003 2,002 1,001 0.6667 ? 1.6e+014 0.2% integer
    rect.
    JGD_Homology/n2c6-b6 JGD_Homology/
    n2c6-b6
    674 MAT,
    MM,
    RB
    5,715 4,945 4,945 2,943 2,002 0.5951 ? 9.2e+013 0.14% integer
    rect.
    JGD_Homology/n2c6-b7 JGD_Homology/
    n2c6-b7
    672 MAT,
    MM,
    RB
    3,990 5,715 3,990 2,772 2,943 0.6947 ? 5.2e+013 0.14% integer
    rect.
    JGD_Homology/n2c6-b8 JGD_Homology/
    n2c6-b8
    641 MAT,
    MM,
    RB
    1,470 3,990 1,470 1,194 2,796 0.8122 ? 2.5e+014 0.23% integer
    rect.
    JGD_Homology/n2c6-b9 JGD_Homology/
    n2c6-b9
    604 MAT,
    MM,
    RB
    306 1,470 306 276 1,194 0.9020 ? 5.9e+014 0.68% integer
    rect.
    JGD_Homology/n3c4-b1 JGD_Homology/
    n3c4-b1
    542 MAT,
    MM,
    RB
    15 6 6 5 1 0.8333 ? 3.7e+015 33% integer
    rect.
    JGD_Homology/n3c4-b2 JGD_Homology/
    n3c4-b2
    546 MAT,
    MM,
    RB
    20 15 15 10 5 0.6667 ? 5.5e+015 20% integer
    rect.
    JGD_Homology/n3c4-b3 JGD_Homology/
    n3c4-b3
    547 MAT,
    MM,
    RB
    15 20 15 10 10 0.6667 ? 4.1e+015 20% integer
    rect.
    JGD_Homology/n3c4-b4 JGD_Homology/
    n3c4-b4
    543 MAT,
    MM,
    RB
    6 15 6 5 10 0.8333 ? 2.2e+016 33% integer
    rect.
    JGD_Homology/n3c5-b1 JGD_Homology/
    n3c5-b1
    548 MAT,
    MM,
    RB
    45 10 10 9 1 0.9000 ? 6.3e+015 20% integer
    rect.
    JGD_Homology/n3c5-b2 JGD_Homology/
    n3c5-b2
    560 MAT,
    MM,
    RB
    120 45 45 36 9 0.8000 ? 2.5e+015 7% integer
    rect.
    JGD_Homology/n3c5-b3 JGD_Homology/
    n3c5-b3
    575 MAT,
    MM,
    RB
    210 120 120 84 36 0.7000 ? 1.7e+015 3% integer
    rect.
    JGD_Homology/n3c5-b4 JGD_Homology/
    n3c5-b4
    591 MAT,
    MM,
    RB
    252 210 210 126 84 0.6000 ? 8.9e+014 2% integer
    rect.
    JGD_Homology/n3c5-b5 JGD_Homology/
    n3c5-b5
    592 MAT,
    MM,
    RB
    210 252 210 126 126 0.6000 ? 8.9e+014 2% integer
    rect.
    JGD_Homology/n3c5-b6 JGD_Homology/
    n3c5-b6
    576 MAT,
    MM,
    RB
    120 210 120 84 126 0.7000 ? 1.4e+015 3% integer
    rect.
    JGD_Homology/n3c6-b1 JGD_Homology/
    n3c6-b1
    569 MAT,
    MM,
    RB
    105 105 15 14 91 0.1333 Inf 8.6e+015 2% integer
    unsym.
    JGD_Homology/n3c6-b10 JGD_Homology/
    n3c6-b10
    625 MAT,
    MM,
    RB
    675 2,511 675 615 1,896 0.9111 ? 2.3e+014 0.44% integer
    rect.
    JGD_Homology/n3c6-b2 JGD_Homology/
    n3c6-b2
    580 MAT,
    MM,
    RB
    455 105 105 91 14 0.8667 ? 1.1e+015 3% integer
    rect.
    JGD_Homology/n3c6-b3 JGD_Homology/
    n3c6-b3
    618 MAT,
    MM,
    RB
    1,365 455 455 364 91 0.8000 ? 7.7e+014 0.88% integer
    rect.
    JGD_Homology/n3c6-b4 JGD_Homology/
    n3c6-b4
    638 MAT,
    MM,
    RB
    3,003 1,365 1,365 1,001 364 0.7333 ? 5.4e+014 0.37% integer
    rect.
    JGD_Homology/n3c6-b5 JGD_Homology/
    n3c6-b5
    663 MAT,
    MM,
    RB
    5,005 3,003 3,003 2,002 1,001 0.6667 ? 3.2e+014 0.2% integer
    rect.
    JGD_Homology/n3c6-b6 JGD_Homology/
    n3c6-b6
    677 MAT,
    MM,
    RB
    6,435 5,005 5,005 3,003 2,002 0.6000 ? 2.1e+014 0.14% integer
    rect.
    JGD_Homology/n3c6-b7 JGD_Homology/
    n3c6-b7
    682 MAT,
    MM,
    RB
    6,435 6,435 6,435 3,432 3,003 0.5333 Inf 2e+014 0.12% integer
    unsym.
    JGD_Homology/n3c6-b8 JGD_Homology/
    n3c6-b8
    675 MAT,
    MM,
    RB
    4,935 6,435 4,935 3,003 3,432 0.6085 ? 1.2e+014 0.14% integer
    rect.
    JGD_Homology/n3c6-b9 JGD_Homology/
    n3c6-b9
    659 MAT,
    MM,
    RB
    2,511 4,935 2,511 1,896 3,039 0.7551 ? 1.1e+014 0.2% integer
    rect.
    JGD_Homology/n4c5-b1 JGD_Homology/
    n4c5-b1
    554 MAT,
    MM,
    RB
    105 15 15 14 1 0.9333 ? 2.7e+015 13% integer
    rect.
    JGD_Homology/n4c5-b10 JGD_Homology/
    n4c5-b10
    590 MAT,
    MM,
    RB
    120 630 120 110 520 0.9167 ? 6.5e+014 2% integer
    rect.
    JGD_Homology/n4c5-b2 JGD_Homology/
    n4c5-b2
    581 MAT,
    MM,
    RB
    455 105 105 91 14 0.8667 ? 1.1e+015 3% integer
    rect.
    JGD_Homology/n4c5-b3 JGD_Homology/
    n4c5-b3
    616 MAT,
    MM,
    RB
    1,350 455 455 364 91 0.8000 ? 4.4e+014 0.88% integer
    rect.
    JGD_Homology/n4c5-b4 JGD_Homology/
    n4c5-b4
    634 MAT,
    MM,
    RB
    2,852 1,350 1,350 986 364 0.7304 ? 3.2e+014 0.37% integer
    rect.
    JGD_Homology/n4c5-b5 JGD_Homology/
    n4c5-b5
    660 MAT,
    MM,
    RB
    4,340 2,852 2,852 1,866 986 0.6543 ? 1.6e+014 0.21% integer
    rect.
    JGD_Homology/n4c5-b6 JGD_Homology/
    n4c5-b6
    671 MAT,
    MM,
    RB
    4,735 4,340 4,340 2,474 1,866 0.5700 ? 1.1e+014 0.16% integer
    rect.
    JGD_Homology/n4c5-b7 JGD_Homology/
    n4c5-b7
    667 MAT,
    MM,
    RB
    3,635 4,735 3,635 2,261 2,474 0.6220 ? 1.1e+014 0.17% integer
    rect.
    JGD_Homology/n4c5-b8 JGD_Homology/
    n4c5-b8
    647 MAT,
    MM,
    RB
    1,895 3,635 1,895 1,374 2,261 0.7251 ? 2e+014 0.25% integer
    rect.
    JGD_Homology/n4c5-b9 JGD_Homology/
    n4c5-b9
    621 MAT,
    MM,
    RB
    630 1,895 630 520 1,375 0.8254 ? 3.5e+014 0.53% integer
    rect.
    JGD_Homology/n4c6-b1 JGD_Homology/
    n4c6-b1
    557 MAT,
    MM,
    RB
    210 21 21 20 1 0.9524 ? 1.8e+015 10% integer
    rect.
    JGD_Homology/n4c6-b14 JGD_Homology/
    n4c6-b14
    636 MAT,
    MM,
    RB
    920 6,300 920 860 5,440 0.9348 ? 1.9e+014 0.24% integer
    rect.
    JGD_Homology/n4c6-b2 JGD_Homology/
    n4c6-b2
    600 MAT,
    MM,
    RB
    1,330 210 210 190 20 0.9048 ? 6e+014 1% integer
    rect.
    JGD_Homology/n4c6-b3 JGD_Homology/
    n4c6-b3
    645 MAT,
    MM,
    RB
    5,970 1,330 1,330 1,140 190 0.8571 ? 2.7e+014 0.3% integer
    rect.
    JGD_Homology/n4c6-b4 JGD_Homology/
    n4c6-b4
    691 MAT,
    MM,
    RB
    20,058 5,970 5,970 4,830 1,140 0.8090 ? 9.8e+013 0.084% integer
    rect.
    JGD_Homology/shar_te2-b1 JGD_Homology/
    shar_te2-b1
    629 MAT,
    MM,
    RB
    17,160 286 286 285 1 0.9965 ? 1.3e+013 0.7% integer
    rect.

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