9a62efcb-e52d-4e14-9623-3443229f69be 5 4 5 false false 0 0 decimal

&[DATE] &[TIME] - &[FILENAME]

Define a "large" 28x28 stiffness matrix.....

KK 366314571389 - 0000000 993.8 - 496.9 - 00000000000000001457235700000000 496.9 - 248.5 - 00000001389 - 000000001389 - 04765 4.491 1013 -^* 1389 - 00000 993.8 - 496.9 993.8 - 496.9 - 0000000000000000 4.491 1013 -^* 496.9 000000 496.9 248.5 - 496.9 - 248.5 - 00000000000000001389 - 04765 4.491 1013 -^* 1389 - 00000 993.8 - 496.9 993.8 - 496.9 - 0000000000000000 4.491 1013 -^* 496.9 000000 496.9 248.5 - 496.9 - 248.5 - 00000000000000001389 - 04765 4.491 1013 -^* 1389 - 00000 993.8 - 496.9 993.8 - 496.9 - 0000000000000000 4.491 1013 -^* 496.9 000000 496.9 248.5 - 496.9 - 248.5 - 00000000000000001389 - 036631457 - 000000 993.8 - 496.9 0000000000000000001457 - 2357000000 496.9 248.5 - 0000000001389 - 993.8 - 496.9 - 993.8 - 496.9 0000003975 5.628 1013 -^* - 000000 993.8 - 496.9 993.8 - 496.9 - 000000 496.9 - 248.5 - 496.9 248.5 - 000000 5.628 1013 -^* - 993.8 000000 496.9 248.5 - 496.9 - 248.5 - 00000000 993.8 - 496.9 - 993.8 - 496.9 0000003975 5.628 1013 -^* - 000000 993.8 - 496.9 993.8 - 496.9 - 000000 496.9 - 248.5 - 496.9 248.5 - 000000 5.628 1013 -^* - 993.8 000000 496.9 248.5 - 496.9 - 248.5 - 00000000 993.8 - 496.9 - 993.8 - 496.9 0000003975 5.628 1013 -^* - 000000 993.8 - 496.9 993.8 - 496.9 - 000000 496.9 - 248.5 - 496.9 248.5 - 000000 5.628 1013 -^* - 993.8 000000 496.9 248.5 - 496.9 - 248.5 - 00000000 993.8 - 496.9 - 993.8 - 496.9 0000003975 5.628 1013 -^* - 000000 993.8 - 496.9 993.8 - 496.9 - 000000 496.9 - 248.5 - 496.9 248.5 - 000000 5.628 1013 -^* - 993.8 000000 496.9 248.5 - 496.9 - 248.5 - 0000000000 993.8 - 496.9 00000032671381 - 1389 - 000000001389 - 00000000 496.9 248.5 - 0000001381 - 2521000000000000000000 993.8 - 496.9 - 993.8 - 496.9 00001389 - 04765 4.491 1013 -^* - 1389 - 000000000000000 496.9 - 248.5 - 496.9 248.5 - 000000 4.491 1013 -^* - 496.9 000000000000000000 993.8 - 496.9 - 993.8 - 496.9 00001389 - 04765 4.491 1013 -^* - 1389 - 000000000000000 496.9 - 248.5 - 496.9 248.5 - 000000 4.491 1013 -^* - 496.9 000000000000000000 993.8 - 496.9 - 993.8 - 496.9 00001389 - 04765 4.491 1013 -^* - 1389 - 000000000000000 496.9 - 248.5 - 496.9 248.5 - 000000 4.491 1013 -^* - 496.9 000000000000000000 993.8 - 496.9 - 0000001389 - 0326713810000000001389 - 000000 496.9 - 248.5 - 00000000138125212828 mat :

Showing stiffness matrix at larger font size....

KK 366314571389 - 00145723570001389 - 04765 4.491 1013 -^* 1389 - 00 4.491 1013 -^* 496.9 0001389 - 047650000 4.491 1013 -^* 00001389 - 000000000000000 993.8 - 496.9 - 993.8 - 496.9 0115 mat

Inverting the stiffness matrix gives the correct values....

KKinv KK 1 -^eval :

using eval ow both are the same

KK 1 -^0.000949 0.0008207 - 0.0005762 0.0008207 - 0.001758 0.0004152 - 0.0005762 0.0004152 - 0.0008365 0.0005767 0.0004386 - 0.0007708 0.0003029 0.0001429 - 0.0005232 0.0008823 0.0007665 - 0.000443 0.0001093 2.289 105 -^* 0.0002426 0.000444 0.0006101 - 0.0004625 1.636 105 -^* 5.444 105 -^* 0.0001093 5.444 105 -^* - 4.074 105 -^* 2.289 105 -^* - 0.0003507 1.5 105 -^* 0.0003473 0.0002652 0.0002352 3.031 106 -^* - 0.0003004 0.0001132 - 0.0006991 0.0009886 0.0008559 - 0.0008408 0.0002525 1.494 105 -^* - 0.000315 153 mat

KKinv 0.000949 0.0008207 - 0.0005762 0.0008207 - 0.001758 0.0004152 - 0.0005762 0.0004152 - 0.0008365 0.0005767 0.0004386 - 0.0007708 0.0003029 0.0001429 - 0.0005232 0.0008823 0.0007665 - 0.000443 0.0001093 2.289 105 -^* 0.0002426 0.000444 0.0006101 - 0.0004625 1.636 105 -^* 5.444 105 -^* 0.0001093 5.444 105 -^* - 4.074 105 -^* 2.289 105 -^* - 0.0003507 1.5 105 -^* 0.0003473 0.0002652 0.0002352 3.031 106 -^* - 0.0003004 0.0001132 - 0.0006991 0.0009886 0.0008559 - 0.0008408 0.0002525 1.494 105 -^* - 0.000315 153 mat

Id KK KKinv * eval : Check Id 11 round vectorize eval : 21 line

Check 10000000000000000000000000000100000000000000000000000000001000000000000000000000000000010000000000000000000000000000100000000000000000000000000001000000000000000000000000000010000000000000000000000000000100000000000000000000000000001000000000000000000000000000010000000000000000000000000000100000000000000000000000000001000000000000000000000000000010000000000000000000000000000100000000000000000000000000001000000000000000000000000000010000000000000000000000000000100000000000000000000000000001000000000000000000000000000010000000000000000000000000000100000000000000000000000000001000000000000000000000000000010000000000000000000000000000100000000000000000000000000001000000000000000000000000000010000000000000000000000000000100000000000000000000000000001000000000000000000000000000012828 mat

This is, Kinv looks ok for 11 figures.

This other does not get more figures

KKinv KK dn_MatrixInverse : Id KK KKinv * eval : Check Id 12 round vectorize eval : 31 line

Check 1021012 -^* - 11012 -^* - 0011012 -^* - 031012 -^* 021012 -^* 11012 -^* - 011012 -^* - 0011012 -^* 0011012 -^* 0011012 -^* - 11012 -^* - 011012 -^* 11012 -^* - 21012 -^* - 0111012 -^* - 011012 -^* - 11012 -^* 0011012 -^* 11012 -^* 21012 -^* 11012 -^* 11012 -^* 011012 -^* 11012 -^* - 11012 -^* 11012 -^* - 0000011012 -^* 021012 -^* 11012 -^* - 021012 -^* - 11012 -^* - 1011012 -^* - 21012 -^* 011012 -^* 31012 -^* - 11012 -^* - 21012 -^* - 21012 -^* 11012 -^* - 11012 -^* 11012 -^* - 21012 -^* 11012 -^* 31012 -^* 21012 -^* - 11012 -^* - 021012 -^* 011012 -^* 11012 -^* - 11012 -^* 21012 -^* - 0000100000000000000000000000031012 -^* 31012 -^* - 011012 -^* 10011012 -^* - 31012 -^* 31012 -^* 21012 -^* 11012 -^* 21012 -^* 11012 -^* 21012 -^* 11012 -^* - 21012 -^* 11012 -^* - 21012 -^* 11012 -^* 011012 -^* 00011012 -^* - 21012 -^* 11012 -^* - 000001000000000000000000000031012 -^* - 11012 -^* 011012 -^* - 11012 -^* - 21012 -^* - 1021012 -^* - 11012 -^* 11012 -^* 31012 -^* - 11012 -^* - 21012 -^* - 11012 -^* - 11012 -^* - 21012 -^* - 21012 -^* - 21012 -^* - 011012 -^* - 11012 -^* - 011012 -^* - 021012 -^* - 21012 -^* - 11012 -^* 000000010000000000000000000031012 -^* 011012 -^* - 00021012 -^* - 11012 -^* 1011012 -^* 000011012 -^* 21012 -^* 11012 -^* 11012 -^* - 21012 -^* 011012 -^* - 11012 -^* - 11012 -^* 00011012 -^* - 11012 -^* - 11012 -^* 0011012 -^* 11012 -^* 11012 -^* 00111012 -^* - 11012 -^* - 11012 -^* - 11012 -^* - 11012 -^* - 021012 -^* - 11012 -^* 11012 -^* 0021012 -^* 011012 -^* 000021012 -^* 11012 -^* 11012 -^* - 11012 -^* 21012 -^* 031012 -^* 011012 -^* 11012 -^* - 1021012 -^* 0021012 -^* - 21012 -^* - 11012 -^* - 11012 -^* - 11012 -^* - 021012 -^* - 011012 -^* - 11012 -^* - 11012 -^* - 11012 -^* 11012 -^* 0011012 -^* 0000011012 -^* - 11012 -^* - 010000011012 -^* 11012 -^* - 011012 -^* - 00000011012 -^* 11012 -^* 11012 -^* 11012 -^* 21012 -^* - 21012 -^* 11012 -^* 00011012 -^* - 21012 -^* 11012 -^* - 121012 -^* - 00011012 -^* - 0011012 -^* - 21012 -^* - 11012 -^* 0011012 -^* - 021012 -^* 11012 -^* 000011012 -^* - 011012 -^* - 0011012 -^* 00100011012 -^* - 11012 -^* 011012 -^* 0000011012 -^* 0011012 -^* 0021012 -^* 11012 -^* - 11012 -^* 21012 -^* 11012 -^* 11012 -^* - 011012 -^* 00121012 -^* 21012 -^* 11012 -^* 021012 -^* - 011012 -^* 11012 -^* 11012 -^* - 11012 -^* - 21012 -^* 0000011012 -^* - 011012 -^* - 0011012 -^* - 0011012 -^* - 000111012 -^* - 011012 -^* - 0000011012 -^* - 011012 -^* - 011012 -^* 11012 -^* 31012 -^* 021012 -^* 011012 -^* - 11012 -^* - 21012 -^* 11012 -^* - 21012 -^* - 11012 -^* 021012 -^* 21012 -^* 01011012 -^* 11012 -^* - 11012 -^* - 11012 -^* 00021012 -^* 11012 -^* - 11012 -^* 11012 -^* 11012 -^* - 000011012 -^* - 000011012 -^* 000001011012 -^* 00011012 -^* 11012 -^* 011012 -^* 011012 -^* - 0011012 -^* - 11012 -^* 011012 -^* - 11012 -^* 21012 -^* - 11012 -^* 0011012 -^* 011012 -^* 021012 -^* 11012 -^* 10000021012 -^* 21012 -^* 11012 -^* 21012 -^* 11012 -^* 0011012 -^* - 11012 -^* 11012 -^* - 11012 -^* 011012 -^* 11012 -^* - 11012 -^* - 11012 -^* - 11012 -^* - 11012 -^* - 21012 -^* - 11012 -^* 11012 -^* - 11012 -^* 11012 -^* 1011012 -^* 021012 -^* - 11012 -^* - 21012 -^* - 11012 -^* - 11012 -^* - 0011012 -^* - 21012 -^* 31012 -^* - 11012 -^* - 21012 -^* - 21012 -^* - 011012 -^* 11012 -^* 031012 -^* - 21012 -^* 11012 -^* - 11012 -^* - 21012 -^* - 11012 -^* - 21012 -^* 11012 -^* 111012 -^* 021012 -^* 21012 -^* - 21012 -^* 11012 -^* 11012 -^* - 000000000000000000000100000021012 -^* - 11012 -^* 11012 -^* 00011012 -^* 021012 -^* - 11012 -^* - 11012 -^* - 11012 -^* - 21012 -^* 21012 -^* - 21012 -^* 21012 -^* 11012 -^* - 11012 -^* 11012 -^* - 21012 -^* 021012 -^* 111012 -^* - 021012 -^* - 11012 -^* - 21012 -^* - 00011012 -^* 00011012 -^* 00000000000000010000011012 -^* - 21012 -^* - 21012 -^* 31012 -^* - 11012 -^* 11012 -^* - 21012 -^* - 0021012 -^* - 11012 -^* 11012 -^* - 11012 -^* 31012 -^* - 21012 -^* - 11012 -^* 011012 -^* 11012 -^* 21012 -^* - 21012 -^* - 021012 -^* 111012 -^* - 21012 -^* 11012 -^* - 000000000000000000000000010021012 -^* - 11012 -^* - 11012 -^* - 11012 -^* - 11012 -^* 0011012 -^* 11012 -^* - 021012 -^* 11012 -^* - 11012 -^* 011012 -^* 00011012 -^* 21012 -^* - 21012 -^* 21012 -^* - 011012 -^* - 001011012 -^* - 11012 -^* - 11012 -^* - 011012 -^* - 11012 -^* - 011012 -^* - 11012 -^* - 011012 -^* 11012 -^* 21012 -^* 11012 -^* 11012 -^* 11012 -^* - 11012 -^* 11012 -^* - 11012 -^* 11012 -^* - 11012 -^* 21012 -^* - 021012 -^* - 011012 -^* 11012 -^* - 12828 mat

... even it looks pretty different

KK dn_MatrixInverse 0.0009 0.0008 - 0.0006 0.0006 0.0008 - 0.0018 0.0004 - 0.0004 - 0.0006 0.0004 - 0.0008 0.0008 0.0006 0.0004 - 0.0008 0.0093 0.0003 0.0001 - 0.0005 0.0002 0.0009 0.0008 - 0.0004 0.0023 0.0001 2.2891 105 -^* 0.0002 0.0005 - 0.0004 0.0006 - 0.0005 0.0039 1.6361 105 -^* 5.4438 105 -^* 0.0001 0.0004 - 5.4438 105 -^* - 4.0736 105 -^* 2.2891 105 -^* - 0.0006 - 0.0004 1.4997 105 -^* 0.0003 0.001 - 114 mat