UF Sparse Matrix Collection

UF Sparse Matrix Collection: JGD_BIBD group.

Click here for a description of the JGD_BIBD group.

Click here for a list of all matrix groups.

matrix graph Group/Name id download # rows # cols nonzeros type sym spd?
JGD_BIBD/bibd_11_5 1922 MAT, MM, RB 55 462 4,620 binary rectangular - no

JGD_BIBD/bibd_12_4 1923 MAT, MM, RB 66 495 2,970 binary rectangular - no

JGD_BIBD/bibd_12_5 1924 MAT, MM, RB 66 792 7,920 binary rectangular - no

JGD_BIBD/bibd_13_6 1925 MAT, MM, RB 78 1,716 25,740 binary rectangular - no

JGD_BIBD/bibd_14_7 1926 MAT, MM, RB 91 3,432 72,072 binary rectangular - no

JGD_BIBD/bibd_15_3 1927 MAT, MM, RB 105 455 1,365 binary rectangular - no

JGD_BIBD/bibd_15_7 1928 MAT, MM, RB 105 6,435 135,135 binary rectangular - no

JGD_BIBD/bibd_16_8 1929 MAT, MM, RB 120 12,870 360,360 binary rectangular - no

JGD_BIBD/bibd_17_3 1930 MAT, MM, RB 136 680 2,040 binary rectangular - no

JGD_BIBD/bibd_17_4 1932 MAT, MM, RB 136 2,380 14,280 binary rectangular - no

JGD_BIBD/bibd_17_4b 1931 MAT, MM, RB 136 2,380 14,280 binary rectangular - no

JGD_BIBD/bibd_17_8 1933 MAT, MM, RB 136 24,310 680,680 binary rectangular - no

JGD_BIBD/bibd_18_9 1934 MAT, MM, RB 153 48,620 1,750,320 binary rectangular - no

JGD_BIBD/bibd_19_9 1935 MAT, MM, RB 171 92,378 3,325,608 binary rectangular - no

JGD_BIBD/bibd_20_10 1936 MAT, MM, RB 190 184,756 8,314,020 binary rectangular - no

JGD_BIBD/bibd_22_8 1937 MAT, MM, RB 231 319,770 8,953,560 binary rectangular - no

JGD_BIBD/bibd_49_3 1938 MAT, MM, RB 1,176 18,424 55,272 binary rectangular - no

JGD_BIBD/bibd_81_2 1939 MAT, MM, RB 3,240 3,240 3,240 binary symmetric yes yes

JGD_BIBD/bibd_81_3 1940 MAT, MM, RB 3,240 85,320 255,960 binary rectangular - no

JGD_BIBD/bibd_9_3 1920 MAT, MM, RB 36 84 252 binary rectangular - no

JGD_BIBD/bibd_9_5 1921 MAT, MM, RB 36 126 1,260 binary rectangular - no

Group/Name	id	download	# rows	# cols	nonzeros	type	sym	spd?
JGD_BIBD/bibd_11_5	1922	MAT, MM, RB	55	462	4,620	binary rectangular	-	no
JGD_BIBD/bibd_12_4	1923	MAT, MM, RB	66	495	2,970	binary rectangular	-	no
JGD_BIBD/bibd_12_5	1924	MAT, MM, RB	66	792	7,920	binary rectangular	-	no
JGD_BIBD/bibd_13_6	1925	MAT, MM, RB	78	1,716	25,740	binary rectangular	-	no
JGD_BIBD/bibd_14_7	1926	MAT, MM, RB	91	3,432	72,072	binary rectangular	-	no
JGD_BIBD/bibd_15_3	1927	MAT, MM, RB	105	455	1,365	binary rectangular	-	no
JGD_BIBD/bibd_15_7	1928	MAT, MM, RB	105	6,435	135,135	binary rectangular	-	no
JGD_BIBD/bibd_16_8	1929	MAT, MM, RB	120	12,870	360,360	binary rectangular	-	no
JGD_BIBD/bibd_17_3	1930	MAT, MM, RB	136	680	2,040	binary rectangular	-	no
JGD_BIBD/bibd_17_4	1932	MAT, MM, RB	136	2,380	14,280	binary rectangular	-	no
JGD_BIBD/bibd_17_4b	1931	MAT, MM, RB	136	2,380	14,280	binary rectangular	-	no
JGD_BIBD/bibd_17_8	1933	MAT, MM, RB	136	24,310	680,680	binary rectangular	-	no
JGD_BIBD/bibd_18_9	1934	MAT, MM, RB	153	48,620	1,750,320	binary rectangular	-	no
JGD_BIBD/bibd_19_9	1935	MAT, MM, RB	171	92,378	3,325,608	binary rectangular	-	no
JGD_BIBD/bibd_20_10	1936	MAT, MM, RB	190	184,756	8,314,020	binary rectangular	-	no
JGD_BIBD/bibd_22_8	1937	MAT, MM, RB	231	319,770	8,953,560	binary rectangular	-	no
JGD_BIBD/bibd_49_3	1938	MAT, MM, RB	1,176	18,424	55,272	binary rectangular	-	no
JGD_BIBD/bibd_81_2	1939	MAT, MM, RB	3,240	3,240	3,240	binary symmetric	yes	yes
JGD_BIBD/bibd_81_3	1940	MAT, MM, RB	3,240	85,320	255,960	binary rectangular	-	no
JGD_BIBD/bibd_9_3	1920	MAT, MM, RB	36	84	252	binary rectangular	-	no
JGD_BIBD/bibd_9_5	1921	MAT, MM, RB	36	126	1,260	binary rectangular	-	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.