UF Sparse Matrix Collection: Simon group.

matrix	graph	Group/Name	id	download	# rows	# cols	nonzeros	type	sym	spd?
		Simon/appu	811	MAT, MM, RB	14,000	14,000	1,853,104	real unsymmetric	94%	no
		Simon/bbmat	812	MAT, MM, RB	38,744	38,744	1,771,722	real unsymmetric	0.06%	no
		Simon/olafu	813	MAT, MM, RB	16,146	16,146	1,015,156	real symmetric	yes	yes
		Simon/raefsky1	814	MAT, MM, RB	3,242	3,242	293,409	real unsymmetric	9%	no
		Simon/raefsky2	815	MAT, MM, RB	3,242	3,242	293,551	real unsymmetric	10%	no
		Simon/raefsky3	816	MAT, MM, RB	21,200	21,200	1,488,768	real unsymmetric	48%	no
		Simon/raefsky4	817	MAT, MM, RB	19,779	19,779	1,316,789	real symmetric	yes	yes
		Simon/raefsky5	818	MAT, MM, RB	6,316	6,316	167,178	real unsymmetric	0%	no
		Simon/raefsky6	819	MAT, MM, RB	3,402	3,402	130,371	real unsymmetric	0%	no
		Simon/venkat01	820	MAT, MM, RB	62,424	62,424	1,717,792	real unsymmetric	6%	no
		Simon/venkat25	821	MAT, MM, RB	62,424	62,424	1,717,763	real unsymmetric	6%	no
		Simon/venkat50	822	MAT, MM, RB	62,424	62,424	1,717,777	real unsymmetric	6%	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.