HB/bcsstk22
SYMMETRIC STIFFNESS MATRIX - TEXTILE LOOM FRAME
| Name | bcsstk22 | 
| Group | HB | 
| Matrix ID | 44 | 
| Num Rows | 138 | 
| Num Cols | 138 | 
| Nonzeros | 696 | 
| Pattern Entries | 696 | 
| Kind | Structural Problem | 
| Symmetric | Yes | 
| Date | 1984 | 
| Author | J. Lewis | 
| Editor | I. Duff, R. Grimes, J. Lewis | 
 
 
| Structural Rank | 138 | 
| Structural Rank Full | true | 
| Num Dmperm Blocks | 4 | 
| Strongly Connect Components | 4 | 
| Num Explicit Zeros | 0 | 
| Pattern Symmetry | 100% | 
| Numeric Symmetry | 100% | 
| Cholesky Candidate | yes | 
| Positive Definite | yes | 
| Type | real | 
 
| SVD Statistics | 
| Matrix Norm | 5.850119e+06 | 
| Minimum Singular Value | 5.283871e+01 | 
| Condition Number | 1.107165e+05 | 
| Rank | 138 | 
| sprank(A)-rank(A) | 0 | 
| Null Space Dimension | 0 | 
| Full Numerical Rank? | yes | 
| Download Singular Values | MATLAB |