• UF Sparse Matrix Collection

    UF Sparse Matrix Collection: GHS_indef group.

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

    matrix graph Group/Name id download # rows # cols nonzeros type sym spd?
    GHS_indef/a0nsdsil GHS_indef/a0nsdsil GHS_indef/a0nsdsil 1291 MAT, MM, RB 80,016 80,016 355,034 real symmetric yes no
    GHS_indef/a2nnsnsl GHS_indef/a2nnsnsl GHS_indef/a2nnsnsl 1292 MAT, MM, RB 80,016 80,016 347,222 real symmetric yes no
    GHS_indef/a5esindl GHS_indef/a5esindl GHS_indef/a5esindl 1293 MAT, MM, RB 60,008 60,008 255,004 real symmetric yes no
    GHS_indef/aug2d GHS_indef/aug2d GHS_indef/aug2d 1215 MAT, MM, RB 29,008 29,008 76,832 integer symmetric yes no
    GHS_indef/aug2dc GHS_indef/aug2dc GHS_indef/aug2dc 1216 MAT, MM, RB 30,200 30,200 80,000 integer symmetric yes no
    GHS_indef/aug3d GHS_indef/aug3d GHS_indef/aug3d 1217 MAT, MM, RB 24,300 24,300 69,984 integer symmetric yes no
    GHS_indef/aug3dcqp GHS_indef/aug3dcqp GHS_indef/aug3dcqp 1218 MAT, MM, RB 35,543 35,543 128,115 real symmetric yes no
    GHS_indef/blockqp1 GHS_indef/blockqp1 GHS_indef/blockqp1 1294 MAT, MM, RB 60,012 60,012 640,033 real symmetric yes no
    GHS_indef/bloweya GHS_indef/bloweya GHS_indef/bloweya 1295 MAT, MM, RB 30,004 30,004 150,009 real symmetric yes no
    GHS_indef/bloweybl GHS_indef/bloweybl GHS_indef/bloweybl 1424 MAT, MM, RB 30,003 30,003 109,999 real symmetric yes no
    GHS_indef/bloweybq GHS_indef/bloweybq GHS_indef/bloweybq 1425 MAT, MM, RB 10,001 10,001 49,999 real symmetric yes yes
    GHS_indef/bmw3_2 GHS_indef/bmw3_2 GHS_indef/bmw3_2 1219 MAT, MM, RB 227,362 227,362 11,288,630 real symmetric yes no
    GHS_indef/boyd1 GHS_indef/boyd1 GHS_indef/boyd1 1296 MAT, MM, RB 93,279 93,279 1,211,231 real symmetric yes no
    GHS_indef/boyd2 GHS_indef/boyd2 GHS_indef/boyd2 1297 MAT, MM, RB 466,316 466,316 1,500,397 real symmetric yes no
    GHS_indef/brainpc2 GHS_indef/brainpc2 GHS_indef/brainpc2 1298 MAT, MM, RB 27,607 27,607 179,395 real symmetric yes no
    GHS_indef/bratu3d GHS_indef/bratu3d GHS_indef/bratu3d 1299 MAT, MM, RB 27,792 27,792 173,796 real symmetric yes no
    GHS_indef/c-55 GHS_indef/c-55 GHS_indef/c-55 1220 MAT, MM, RB 32,780 32,780 403,450 real symmetric yes no
    GHS_indef/c-58 GHS_indef/c-58 GHS_indef/c-58 1221 MAT, MM, RB 37,595 37,595 552,551 real symmetric yes no
    GHS_indef/c-59 GHS_indef/c-59 GHS_indef/c-59 1222 MAT, MM, RB 41,282 41,282 480,536 real symmetric yes no
    GHS_indef/c-62ghs GHS_indef/c-62ghs GHS_indef/c-62ghs 1223 MAT, MM, RB 41,731 41,731 559,339 real symmetric yes no
    GHS_indef/c-63 GHS_indef/c-63 GHS_indef/c-63 1224 MAT, MM, RB 44,234 44,234 434,704 real symmetric yes no
    GHS_indef/c-68 GHS_indef/c-68 GHS_indef/c-68 1225 MAT, MM, RB 64,810 64,810 565,996 real symmetric yes no
    GHS_indef/c-69 GHS_indef/c-69 GHS_indef/c-69 1226 MAT, MM, RB 67,458 67,458 623,914 real symmetric yes no
    GHS_indef/c-70 GHS_indef/c-70 GHS_indef/c-70 1227 MAT, MM, RB 68,924 68,924 658,986 real symmetric yes no
    GHS_indef/c-71 GHS_indef/c-71 GHS_indef/c-71 1228 MAT, MM, RB 76,638 76,638 859,520 real symmetric yes no
    GHS_indef/c-72 GHS_indef/c-72 GHS_indef/c-72 1229 MAT, MM, RB 84,064 84,064 707,546 real symmetric yes no
    GHS_indef/cont-201 GHS_indef/cont-201 GHS_indef/cont-201 1300 MAT, MM, RB 80,595 80,595 438,795 real symmetric yes no
    GHS_indef/cont-300 GHS_indef/cont-300 GHS_indef/cont-300 1301 MAT, MM, RB 180,895 180,895 988,195 real symmetric yes no
    GHS_indef/copter2 GHS_indef/copter2 GHS_indef/copter2 1230 MAT, MM, RB 55,476 55,476 759,952 real symmetric yes no
    GHS_indef/cvxqp3 GHS_indef/cvxqp3 GHS_indef/cvxqp3 1426 MAT, MM, RB 17,500 17,500 114,962 real symmetric yes no
    GHS_indef/d_pretok GHS_indef/d_pretok GHS_indef/d_pretok 1231 MAT, MM, RB 182,730 182,730 1,641,672 real symmetric yes no
    GHS_indef/darcy003 GHS_indef/darcy003 GHS_indef/darcy003 1232 MAT, MM, RB 389,874 389,874 2,097,566 real symmetric yes no
    GHS_indef/dawson5 GHS_indef/dawson5 GHS_indef/dawson5 1233 MAT, MM, RB 51,537 51,537 1,010,777 real symmetric yes no
    GHS_indef/dixmaanl GHS_indef/dixmaanl GHS_indef/dixmaanl 1302 MAT, MM, RB 60,000 60,000 299,998 real symmetric yes no
    GHS_indef/dtoc GHS_indef/dtoc GHS_indef/dtoc 1234 MAT, MM, RB 24,993 24,993 69,972 real symmetric yes no
    GHS_indef/exdata_1 GHS_indef/exdata_1 GHS_indef/exdata_1 1235 MAT, MM, RB 6,001 6,001 2,269,500 real symmetric yes no
    GHS_indef/helm2d03 GHS_indef/helm2d03 GHS_indef/helm2d03 1236 MAT, MM, RB 392,257 392,257 2,741,935 real symmetric yes no
    GHS_indef/helm3d01 GHS_indef/helm3d01 GHS_indef/helm3d01 1237 MAT, MM, RB 32,226 32,226 428,444 real symmetric yes no
    GHS_indef/k1_san GHS_indef/k1_san GHS_indef/k1_san 1238 MAT, MM, RB 67,759 67,759 559,774 real symmetric yes no
    GHS_indef/laser GHS_indef/laser GHS_indef/laser 1239 MAT, MM, RB 3,002 3,002 9,000 real symmetric yes no
    GHS_indef/linverse GHS_indef/linverse GHS_indef/linverse 1303 MAT, MM, RB 11,999 11,999 95,977 real symmetric yes no
    GHS_indef/mario001 GHS_indef/mario001 GHS_indef/mario001 1240 MAT, MM, RB 38,434 38,434 204,912 real symmetric yes no
    GHS_indef/mario002 GHS_indef/mario002 GHS_indef/mario002 1241 MAT, MM, RB 389,874 389,874 2,097,566 real symmetric yes no
    GHS_indef/ncvxbqp1 GHS_indef/ncvxbqp1 GHS_indef/ncvxbqp1 1304 MAT, MM, RB 50,000 50,000 349,968 real symmetric yes no
    GHS_indef/ncvxqp1 GHS_indef/ncvxqp1 GHS_indef/ncvxqp1 1242 MAT, MM, RB 12,111 12,111 73,963 real symmetric yes no
    GHS_indef/ncvxqp3 GHS_indef/ncvxqp3 GHS_indef/ncvxqp3 1305 MAT, MM, RB 75,000 75,000 499,964 real symmetric yes no
    GHS_indef/ncvxqp5 GHS_indef/ncvxqp5 GHS_indef/ncvxqp5 1306 MAT, MM, RB 62,500 62,500 424,966 real symmetric yes no
    GHS_indef/ncvxqp7 GHS_indef/ncvxqp7 GHS_indef/ncvxqp7 1307 MAT, MM, RB 87,500 87,500 574,962 real symmetric yes no
    GHS_indef/ncvxqp9 GHS_indef/ncvxqp9 GHS_indef/ncvxqp9 1243 MAT, MM, RB 16,554 16,554 54,040 real symmetric yes no
    GHS_indef/olesnik0 GHS_indef/olesnik0 GHS_indef/olesnik0 1244 MAT, MM, RB 88,263 88,263 744,216 real symmetric yes no
    GHS_indef/qpband GHS_indef/qpband GHS_indef/qpband 1427 MAT, MM, RB 20,000 20,000 45,000 real symmetric yes no
    GHS_indef/sit100 GHS_indef/sit100 GHS_indef/sit100 1245 MAT, MM, RB 10,262 10,262 61,046 real symmetric yes no
    GHS_indef/sparsine GHS_indef/sparsine GHS_indef/sparsine 1308 MAT, MM, RB 50,000 50,000 1,548,988 real symmetric yes no
    GHS_indef/spmsrtls GHS_indef/spmsrtls GHS_indef/spmsrtls 1309 MAT, MM, RB 29,995 29,995 229,947 real symmetric yes no
    GHS_indef/stokes128 GHS_indef/stokes128 GHS_indef/stokes128 1246 MAT, MM, RB 49,666 49,666 558,594 real symmetric yes no
    GHS_indef/stokes64 GHS_indef/stokes64 GHS_indef/stokes64 1247 MAT, MM, RB 12,546 12,546 140,034 real symmetric yes no
    GHS_indef/stokes64s GHS_indef/stokes64s GHS_indef/stokes64s 1248 MAT, MM, RB 12,546 12,546 140,034 real symmetric yes no
    GHS_indef/tuma1 GHS_indef/tuma1 GHS_indef/tuma1 1249 MAT, MM, RB 22,967 22,967 87,760 real symmetric yes no
    GHS_indef/tuma2 GHS_indef/tuma2 GHS_indef/tuma2 1250 MAT, MM, RB 12,992 12,992 49,365 real symmetric yes no
    GHS_indef/turon_m GHS_indef/turon_m GHS_indef/turon_m 1251 MAT, MM, RB 189,924 189,924 1,690,876 real symmetric yes no

    Maintained by Tim Davis, last updated 10-Jun-2015.
    Matrix pictures by cspy, a MATLAB function in the CSparse package.
    See UFget to download directly into MATLAB.