HB/bcsstm20
SYMMETRIC MASS      MATRIX - FRAME WITHIN A SUSPENSION BRIDGE
| Name | bcsstm20 | 
| Group | HB | 
| Matrix ID | 70 | 
| Num Rows | 485 | 
| Num Cols | 485 | 
| Nonzeros | 485 | 
| Pattern Entries | 485 | 
| Kind | Structural Problem | 
| Symmetric | Yes | 
| Date | 1984 | 
| Author | J. Lewis | 
| Editor | I. Duff, R. Grimes, J. Lewis | 
 
 
| Structural Rank | 485 | 
| Structural Rank Full | true | 
| Num Dmperm Blocks | 485 | 
| Strongly Connect Components | 485 | 
| Num Explicit Zeros | 0 | 
| Pattern Symmetry | 100% | 
| Numeric Symmetry | 100% | 
| Cholesky Candidate | yes | 
| Positive Definite | yes | 
| Type | real | 
 
| SVD Statistics | 
| Matrix Norm | 4.779555e+07 | 
| Minimum Singular Value | 1.871542e+02 | 
| Condition Number | 2.553806e+05 | 
| Rank | 485 | 
| sprank(A)-rank(A) | 0 | 
| Null Space Dimension | 0 | 
| Full Numerical Rank? | yes | 
| Download Singular Values | MATLAB |