UF Sparse Matrix Collection: Norris group.

matrix	graph	Group/Name	id	download	# rows	# cols	nonzeros	type	sym	spd?
		Norris/fv1	887	MAT, MM, RB	9,604	9,604	85,264	real symmetric	yes	yes
		Norris/fv2	888	MAT, MM, RB	9,801	9,801	87,025	real symmetric	yes	yes
		Norris/fv3	889	MAT, MM, RB	9,801	9,801	87,025	real symmetric	yes	yes
		Norris/heart1	890	MAT, MM, RB	3,557	3,557	1,385,317	real unsymmetric	0%	no
		Norris/heart2	891	MAT, MM, RB	2,339	2,339	680,341	real unsymmetric	0%	no
		Norris/heart3	892	MAT, MM, RB	2,339	2,339	680,341	real unsymmetric	0%	no
		Norris/lung1	893	MAT, MM, RB	1,650	1,650	7,419	real unsymmetric	0%	no
		Norris/lung2	894	MAT, MM, RB	109,460	109,460	492,564	real unsymmetric	0%	no
		Norris/stomach	895	MAT, MM, RB	213,360	213,360	3,021,648	real unsymmetric	0%	no
		Norris/torso1	896	MAT, MM, RB	116,158	116,158	8,516,500	real unsymmetric	0%	no
		Norris/torso2	897	MAT, MM, RB	115,967	115,967	1,033,473	real unsymmetric	0%	no
		Norris/torso3	898	MAT, MM, RB	259,156	259,156	4,429,042	real unsymmetric	0%	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.