| Matrix properties | |
| number of rows | 1,447,360 |
| number of columns | 1,447,360 |
| nonzeros | 5,514,242 |
| structural full rank? | yes |
| structural rank | 1,447,360 |
| # of blocks from dmperm | 1 |
| # strongly connected comp. | 1 |
| entries not in dmperm blocks | 0 |
| explicit zero entries | 0 |
| nonzero pattern symmetry | 0% |
| numeric value symmetry | 0% |
| type | real |
| structure | unsymmetric |
| Cholesky candidate? | no |
| positive definite? | no |
| author | J. Hamrle |
| editor | T. Davis |
| date | 2004 |
| kind | circuit simulation problem |
| 2D/3D problem? | no |
| Additional fields | size and type |
| b | sparse 1447360-by-1 |
| Ordering statistics: | AMD | METIS |
| nnz(chol(P*(A+A'+s*I)*P')) | 1.107542e+11 | 9.291847e+10 |
| Cholesky flop count | 3.4e+16 | 2.0e+16 |
| nnz(L+U), no partial pivoting | 2.215069e+11 | 1.858355e+11 |
| nnz(V) for QR, upper bound nnz(L) for LU | 224,148,531 | 144,382,045 |
| nnz(R) for QR, upper bound nnz(U) for LU | 424,510,308 | 274,088,621 |
Maintained by Tim Davis, last updated 04-May-2008.
Matrix pictures by cspy, a MATLAB function in the CSparse package.
Matrix graphs by Yifan Hu, AT&T Labs Visualization Group.