UF Sparse Matrix Collection: Grund group.

matrix	graph	Group/Name	id	download	# rows	# cols	nonzeros	type	sym	spd?
		Grund/b1_ss	449	MAT, MM, RB	7	7	15	real unsymmetric	0%	no
		Grund/b2_ss	450	MAT, MM, RB	1,089	1,089	3,895	real unsymmetric	0.05%	no
		Grund/b_dyn	451	MAT, MM, RB	1,089	1,089	4,144	real unsymmetric	0.05%	no
		Grund/bayer01	452	MAT, MM, RB	57,735	57,735	275,094	real unsymmetric	0.00%	no
		Grund/bayer02	453	MAT, MM, RB	13,935	13,935	63,307	real unsymmetric	0.03%	no
		Grund/bayer03	454	MAT, MM, RB	6,747	6,747	29,195	real unsymmetric	0.03%	no
		Grund/bayer04	455	MAT, MM, RB	20,545	20,545	85,537	real unsymmetric	0.02%	no
		Grund/bayer05	456	MAT, MM, RB	3,268	3,268	20,712	real unsymmetric	0.14%	no
		Grund/bayer06	457	MAT, MM, RB	3,008	3,008	20,715	real unsymmetric	0.14%	no
		Grund/bayer07	458	MAT, MM, RB	3,268	3,268	20,963	real unsymmetric	0.13%	no
		Grund/bayer08	459	MAT, MM, RB	3,008	3,008	20,698	real unsymmetric	0.14%	no
		Grund/bayer09	460	MAT, MM, RB	3,083	3,083	11,767	real unsymmetric	0.02%	no
		Grund/bayer10	461	MAT, MM, RB	13,436	13,436	71,594	real unsymmetric	0.02%	no
		Grund/d_dyn	462	MAT, MM, RB	87	87	230	real unsymmetric	2%	no
		Grund/d_dyn1	463	MAT, MM, RB	87	87	232	real unsymmetric	2%	no
		Grund/d_ss	464	MAT, MM, RB	53	53	144	real unsymmetric	0%	no
		Grund/meg1	465	MAT, MM, RB	2,904	2,904	58,142	real unsymmetric	0.20%	no
		Grund/meg4	466	MAT, MM, RB	5,860	5,860	25,258	real symmetric	yes	no
		Grund/poli	467	MAT, MM, RB	4,008	4,008	8,188	real unsymmetric	0.24%	no
		Grund/poli3	2278	MAT, MM, RB	16,955	16,955	37,849	real unsymmetric	0.06%	no
		Grund/poli4	2279	MAT, MM, RB	33,833	33,833	73,249	real unsymmetric	0.02%	no
		Grund/poli_large	468	MAT, MM, RB	15,575	15,575	33,033	real unsymmetric	0.05%	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.