UF Sparse Matrix Collection, sorted by name. Click on a column header to sort by that column.

matrix	graph	Group and Name	id	download	# rows	# cols	nonzeros	type	sym	spd?
		JGD_SPG/08blocks	2194	MAT, MM, RB	300	300	592	integer unsymmetric	0%	no
		HB/1138_bus	1	MAT, MM, RB	1,138	1,138	4,054	real symmetric	yes	yes
		Um/2cubes_sphere	1919	MAT, MM, RB	101,492	101,492	1,647,264	real symmetric	yes	yes
		Schenk_IBMSDS/2D_27628_bjtcai	954	MAT, MM, RB	27,628	27,628	206,670	real unsymmetric	22%	no
		Schenk_IBMSDS/2D_54019_highK	955	MAT, MM, RB	54,019	54,019	486,129	real unsymmetric	19%	no
		Schenk_IBMSDS/3D_28984_Tetra	956	MAT, MM, RB	28,984	28,984	285,092	real unsymmetric	36%	no
		Schenk_IBMSDS/3D_51448_3D	957	MAT, MM, RB	51,448	51,448	537,038	real unsymmetric	19%	no
		Sinclair/3Dspectralwave	1856	MAT, MM, RB	680,943	680,943	30,290,827	complex Hermitian	yes	no
		Sinclair/3Dspectralwave2	1857	MAT, MM, RB	292,008	292,008	12,935,272	complex Hermitian	yes	no
		Rothberg/3dtube	803	MAT, MM, RB	45,330	45,330	3,213,618	binary symmetric	yes	no
		HB/494_bus	2	MAT, MM, RB	494	494	1,666	real symmetric	yes	yes
		HB/662_bus	3	MAT, MM, RB	662	662	2,474	real symmetric	yes	yes
		HB/685_bus	4	MAT, MM, RB	685	685	3,249	real symmetric	yes	yes
		GHS_indef/a0nsdsil	1291	MAT, MM, RB	80,016	80,016	355,034	real symmetric	yes	no
		GHS_indef/a2nnsnsl	1292	MAT, MM, RB	80,016	80,016	347,222	real symmetric	yes	no
		GHS_indef/a5esindl	1293	MAT, MM, RB	60,008	60,008	255,004	real symmetric	yes	no
		Meszaros/aa01	1679	MAT, MM, RB	823	8,904	72,965	binary rectangular	-	no
		Meszaros/aa03	1680	MAT, MM, RB	825	8,627	70,806	binary rectangular	-	no
		Meszaros/aa3	1681	MAT, MM, RB	825	8,627	70,806	binary rectangular	-	no
		Meszaros/aa4	1682	MAT, MM, RB	426	7,195	52,121	binary rectangular	-	no
		Meszaros/aa5	1683	MAT, MM, RB	801	8,308	65,953	binary rectangular	-	no
		Meszaros/aa6	1684	MAT, MM, RB	646	7,292	51,728	binary rectangular	-	no
		HB/abb313	5	MAT, MM, RB	313	176	1,557	binary rectangular	-	no
		JGD_Taha/abtaha1	2202	MAT, MM, RB	14,596	209	51,307	integer rectangular	-	no
		JGD_Taha/abtaha2	2201	MAT, MM, RB	37,932	331	137,228	integer rectangular	-	no
		Hamm/add20	539	MAT, MM, RB	2,395	2,395	13,151	real unsymmetric	53%	no
		Hamm/add32	540	MAT, MM, RB	4,960	4,960	19,848	real unsymmetric	31%	no
		Sandia/adder_dcop_01	984	MAT, MM, RB	1,813	1,813	11,156	real unsymmetric	2%	no
		Sandia/adder_dcop_02	985	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	3%	no
		Sandia/adder_dcop_03	986	MAT, MM, RB	1,813	1,813	11,148	real unsymmetric	4%	no
		Sandia/adder_dcop_04	987	MAT, MM, RB	1,813	1,813	11,107	real unsymmetric	0.39%	no
		Sandia/adder_dcop_05	988	MAT, MM, RB	1,813	1,813	11,097	real unsymmetric	1%	no
		Sandia/adder_dcop_06	989	MAT, MM, RB	1,813	1,813	11,224	real unsymmetric	1%	no
		Sandia/adder_dcop_07	990	MAT, MM, RB	1,813	1,813	11,226	real unsymmetric	0.59%	no
		Sandia/adder_dcop_08	991	MAT, MM, RB	1,813	1,813	11,242	real unsymmetric	0.53%	no
		Sandia/adder_dcop_09	992	MAT, MM, RB	1,813	1,813	11,239	real unsymmetric	0.61%	no
		Sandia/adder_dcop_10	993	MAT, MM, RB	1,813	1,813	11,232	real unsymmetric	0.57%	no
		Sandia/adder_dcop_11	994	MAT, MM, RB	1,813	1,813	11,243	real unsymmetric	0.49%	no
		Sandia/adder_dcop_12	995	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.44%	no
		Sandia/adder_dcop_13	996	MAT, MM, RB	1,813	1,813	11,245	real unsymmetric	0.28%	no
		Sandia/adder_dcop_14	997	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.83%	no
		Sandia/adder_dcop_15	998	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.59%	no
		Sandia/adder_dcop_16	999	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.83%	no
		Sandia/adder_dcop_17	1000	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.91%	no
		Sandia/adder_dcop_18	1001	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.78%	no
		Sandia/adder_dcop_19	1002	MAT, MM, RB	1,813	1,813	11,245	real unsymmetric	0.76%	no
		Sandia/adder_dcop_20	1003	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.74%	no
		Sandia/adder_dcop_21	1004	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.74%	no
		Sandia/adder_dcop_22	1005	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.74%	no
		Sandia/adder_dcop_23	1006	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.74%	no
		Sandia/adder_dcop_24	1007	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.74%	no
		Sandia/adder_dcop_25	1008	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.74%	no
		Sandia/adder_dcop_26	1009	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.74%	no
		Sandia/adder_dcop_27	1010	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.74%	no
		Sandia/adder_dcop_28	1011	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.74%	no
		Sandia/adder_dcop_29	1012	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.76%	no
		Sandia/adder_dcop_30	1013	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.80%	no
		Sandia/adder_dcop_31	1014	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.76%	no
		Sandia/adder_dcop_32	1015	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.76%	no
		Sandia/adder_dcop_33	1016	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.76%	no
		Sandia/adder_dcop_34	1017	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.76%	no
		Sandia/adder_dcop_35	1018	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.74%	no
		Sandia/adder_dcop_36	1019	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.78%	no
		Sandia/adder_dcop_37	1020	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.76%	no
		Sandia/adder_dcop_38	1021	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.76%	no
		Sandia/adder_dcop_39	1022	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.78%	no
		Sandia/adder_dcop_40	1023	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.76%	no
		Sandia/adder_dcop_41	1024	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.78%	no
		Sandia/adder_dcop_42	1025	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.76%	no
		Sandia/adder_dcop_43	1026	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.76%	no
		Sandia/adder_dcop_44	1027	MAT, MM, RB	1,813	1,813	11,245	real unsymmetric	0.76%	no
		Sandia/adder_dcop_45	1028	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.76%	no
		Sandia/adder_dcop_46	1029	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.78%	no
		Sandia/adder_dcop_47	1030	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.76%	no
		Sandia/adder_dcop_48	1031	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.76%	no
		Sandia/adder_dcop_49	1032	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.76%	no
		Sandia/adder_dcop_50	1033	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.78%	no
		Sandia/adder_dcop_51	1034	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.74%	no
		Sandia/adder_dcop_52	1035	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.76%	no
		Sandia/adder_dcop_53	1036	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.74%	no
		Sandia/adder_dcop_54	1037	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.76%	no
		Sandia/adder_dcop_55	1038	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.78%	no
		Sandia/adder_dcop_56	1039	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.76%	no
		Sandia/adder_dcop_57	1040	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.78%	no
		Sandia/adder_dcop_58	1041	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.78%	no
		Sandia/adder_dcop_59	1042	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.78%	no
		Sandia/adder_dcop_60	1043	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.78%	no
		Sandia/adder_dcop_61	1044	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.78%	no
		Sandia/adder_dcop_62	1045	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.78%	no
		Sandia/adder_dcop_63	1046	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.78%	no
		Sandia/adder_dcop_64	1047	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.78%	no
		Sandia/adder_dcop_65	1048	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.78%	no
		Sandia/adder_dcop_66	1049	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.78%	no
		Sandia/adder_dcop_67	1050	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.78%	no
		Sandia/adder_dcop_68	1051	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.78%	no
		Sandia/adder_dcop_69	1052	MAT, MM, RB	1,813	1,813	11,246	real unsymmetric	0.78%	no
		Sandia/adder_trans_01	1053	MAT, MM, RB	1,814	1,814	14,579	real unsymmetric	3%	no
		Sandia/adder_trans_02	1054	MAT, MM, RB	1,814	1,814	14,579	real unsymmetric	3%	no
		Bai/af23560	291	MAT, MM, RB	23,560	23,560	460,598	real unsymmetric	0%	no
		Schenk_AFE/af_0_k101	1580	MAT, MM, RB	503,625	503,625	17,550,675	real symmetric	yes	yes
		Schenk_AFE/af_1_k101	1581	MAT, MM, RB	503,625	503,625	17,550,675	real symmetric	yes	yes
		Schenk_AFE/af_2_k101	1582	MAT, MM, RB	503,625	503,625	17,550,675	real symmetric	yes	yes
		Schenk_AFE/af_3_k101	1583	MAT, MM, RB	503,625	503,625	17,550,675	real symmetric	yes	yes
		Schenk_AFE/af_4_k101	1584	MAT, MM, RB	503,625	503,625	17,550,675	real symmetric	yes	yes
		Schenk_AFE/af_5_k101	1585	MAT, MM, RB	503,625	503,625	17,550,675	real symmetric	yes	yes
		Schenk_AFE/af_shell1	940	MAT, MM, RB	504,855	504,855	17,562,051	real symmetric	yes	no
		Schenk_AFE/af_shell10	1586	MAT, MM, RB	1,508,065	1,508,065	52,259,885	real symmetric	yes	no
		Schenk_AFE/af_shell2	941	MAT, MM, RB	504,855	504,855	17,562,051	real symmetric	yes	no
		Schenk_AFE/af_shell3	942	MAT, MM, RB	504,855	504,855	17,562,051	real symmetric	yes	yes
		Schenk_AFE/af_shell4	943	MAT, MM, RB	504,855	504,855	17,562,051	real symmetric	yes	yes
		Schenk_AFE/af_shell5	944	MAT, MM, RB	504,855	504,855	17,579,155	real symmetric	yes	no
		Schenk_AFE/af_shell6	945	MAT, MM, RB	504,855	504,855	17,579,155	real symmetric	yes	no
		Schenk_AFE/af_shell7	946	MAT, MM, RB	504,855	504,855	17,579,155	real symmetric	yes	yes
		Schenk_AFE/af_shell8	947	MAT, MM, RB	504,855	504,855	17,579,155	real symmetric	yes	yes
		Schenk_AFE/af_shell9	948	MAT, MM, RB	504,855	504,855	17,588,845	real symmetric	yes	no
		Okunbor/aft01	791	MAT, MM, RB	8,205	8,205	125,567	real symmetric	yes	yes
		Okunbor/aft02	792	MAT, MM, RB	8,184	8,184	127,762	complex unsymmetric	100%	no
		Meszaros/air02	1685	MAT, MM, RB	50	6,774	61,555	binary rectangular	-	no
		Meszaros/air03	1686	MAT, MM, RB	124	10,757	91,028	binary rectangular	-	no
		Meszaros/air04	1687	MAT, MM, RB	823	8,904	72,965	binary rectangular	-	no
		Meszaros/air05	1688	MAT, MM, RB	426	7,195	52,121	binary rectangular	-	no
		Meszaros/air06	1689	MAT, MM, RB	825	8,627	70,806	binary rectangular	-	no
		Meszaros/aircraft	1690	MAT, MM, RB	3,754	7,517	20,267	integer rectangular	-	no
		Engwirda/airfoil_2d	1319	MAT, MM, RB	14,214	14,214	259,688	real unsymmetric	0%	no
		Alemdar/Alemdar	923	MAT, MM, RB	6,245	6,245	42,581	integer symmetric	yes	no
		Andrews/Andrews	924	MAT, MM, RB	60,000	60,000	760,154	integer symmetric	yes	yes
		GHS_psdef/apache1	1422	MAT, MM, RB	80,800	80,800	542,184	real symmetric	yes	yes
		GHS_psdef/apache2	1423	MAT, MM, RB	715,176	715,176	4,817,870	real symmetric	yes	yes
		Simon/appu	811	MAT, MM, RB	14,000	14,000	1,853,104	real unsymmetric	94%	no
		HB/arc130	6	MAT, MM, RB	130	130	1,037	real unsymmetric	0%	no
		HB/ash219	7	MAT, MM, RB	219	85	438	binary rectangular	-	no
		HB/ash292	8	MAT, MM, RB	292	292	2,208	binary symmetric	yes	no
		HB/ash331	9	MAT, MM, RB	331	104	662	binary rectangular	-	no
		HB/ash608	10	MAT, MM, RB	608	188	1,216	binary rectangular	-	no
		HB/ash85	11	MAT, MM, RB	85	85	523	binary symmetric	yes	no
		HB/ash958	12	MAT, MM, RB	958	292	1,916	binary rectangular	-	no
		Sandia/ASIC_100k	1415	MAT, MM, RB	99,340	99,340	940,621	real unsymmetric	0.26%	no
		Sandia/ASIC_100ks	1416	MAT, MM, RB	99,190	99,190	578,890	real unsymmetric	0.08%	no
		Sandia/ASIC_320k	1417	MAT, MM, RB	321,821	321,821	1,931,828	real unsymmetric	36%	no
		Sandia/ASIC_320ks	1418	MAT, MM, RB	321,671	321,671	1,316,085	real unsymmetric	29%	no
		Sandia/ASIC_680k	1419	MAT, MM, RB	682,862	682,862	2,638,997	real unsymmetric	0.44%	no
		Sandia/ASIC_680ks	1420	MAT, MM, RB	682,712	682,712	1,693,767	real unsymmetric	0.58%	no
		GHS_psdef/audikw_1	1252	MAT, MM, RB	943,695	943,695	77,651,847	real symmetric	yes	yes
		GHS_indef/aug2d	1215	MAT, MM, RB	29,008	29,008	76,832	integer symmetric	yes	no
		GHS_indef/aug2dc	1216	MAT, MM, RB	30,200	30,200	80,000	integer symmetric	yes	no
		GHS_indef/aug3d	1217	MAT, MM, RB	24,300	24,300	69,984	integer symmetric	yes	no
		GHS_indef/aug3dcqp	1218	MAT, MM, RB	35,543	35,543	128,115	real symmetric	yes	no
		Vavasis/av41092	827	MAT, MM, RB	41,092	41,092	1,683,902	real unsymmetric	0%	no
		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
		Schenk_ISEI/barrier2-1	964	MAT, MM, RB	113,076	113,076	2,129,496	real unsymmetric	20%	no
		Schenk_ISEI/barrier2-10	961	MAT, MM, RB	115,625	115,625	2,158,759	real unsymmetric	20%	no
		Schenk_ISEI/barrier2-11	962	MAT, MM, RB	115,625	115,625	2,158,759	real unsymmetric	20%	no
		Schenk_ISEI/barrier2-12	963	MAT, MM, RB	115,625	115,625	2,158,759	real unsymmetric	20%	no
		Schenk_ISEI/barrier2-2	965	MAT, MM, RB	113,076	113,076	2,129,496	real unsymmetric	20%	no
		Schenk_ISEI/barrier2-3	966	MAT, MM, RB	113,076	113,076	2,129,496	real unsymmetric	20%	no
		Schenk_ISEI/barrier2-4	967	MAT, MM, RB	113,076	113,076	2,129,496	real unsymmetric	19%	no
		Schenk_ISEI/barrier2-9	968	MAT, MM, RB	115,625	115,625	2,158,759	real unsymmetric	20%	no
		Nasa/barth	754	MAT, MM, RB	6,691	6,691	26,439	binary unsymmetric	0%	no
		Pothen/barth	865	MAT, MM, RB	6,691	6,691	46,187	binary symmetric	yes	no
		Nasa/barth4	755	MAT, MM, RB	6,019	6,019	23,492	binary unsymmetric	0%	no
		Pothen/barth4	866	MAT, MM, RB	6,019	6,019	40,965	binary symmetric	yes	no
		Nasa/barth5	756	MAT, MM, RB	15,606	15,606	61,484	binary unsymmetric	0%	no
		Pothen/barth5	867	MAT, MM, RB	15,606	15,606	107,362	binary symmetric	yes	no
		Meszaros/bas1lp	1691	MAT, MM, RB	5,411	9,825	587,775	integer rectangular	-	no
		Watson/Baumann	1855	MAT, MM, RB	112,211	112,211	748,331	real unsymmetric	0%	no
		Meszaros/baxter	1692	MAT, MM, RB	27,441	30,733	111,576	real rectangular	-	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