UF Sparse Matrix Collection

UF Sparse Matrix Collection: Williams group.

Click here for a description of the Williams group.

Click here for a list of all matrix groups.

matrix graph Group/Name id download # rows # cols nonzeros type sym spd?
Williams/cant 2375 MAT, MM, RB 62,451 62,451 4,007,383 real symmetric yes yes

Williams/consph 2374 MAT, MM, RB 83,334 83,334 6,010,480 real symmetric yes yes

Williams/cop20k_A 2378 MAT, MM, RB 121,192 121,192 2,624,331 real symmetric yes no

Williams/mac_econ_fwd500 2376 MAT, MM, RB 206,500 206,500 1,273,389 real unsymmetric 0.56% no

Williams/mc2depi 2377 MAT, MM, RB 525,825 525,825 2,100,225 integer unsymmetric 0% no

Williams/pdb1HYS 2373 MAT, MM, RB 36,417 36,417 4,344,765 real symmetric yes yes

Williams/webbase-1M 2379 MAT, MM, RB 1,000,005 1,000,005 3,105,536 real unsymmetric 2% no

Group/Name	id	download	# rows	# cols	nonzeros	type	sym	spd?
Williams/cant	2375	MAT, MM, RB	62,451	62,451	4,007,383	real symmetric	yes	yes
Williams/consph	2374	MAT, MM, RB	83,334	83,334	6,010,480	real symmetric	yes	yes
Williams/cop20k_A	2378	MAT, MM, RB	121,192	121,192	2,624,331	real symmetric	yes	no
Williams/mac_econ_fwd500	2376	MAT, MM, RB	206,500	206,500	1,273,389	real unsymmetric	0.56%	no
Williams/mc2depi	2377	MAT, MM, RB	525,825	525,825	2,100,225	integer unsymmetric	0%	no
Williams/pdb1HYS	2373	MAT, MM, RB	36,417	36,417	4,344,765	real symmetric	yes	yes
Williams/webbase-1M	2379	MAT, MM, RB	1,000,005	1,000,005	3,105,536	real unsymmetric	2%	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.