Bai/ck400
CHUCK MATRIX (MULTIPLE EIGENVALUES)  J. CULLUM
| Name | ck400 | 
| Group | Bai | 
| Matrix ID | 307 | 
| Num Rows | 400 | 
| Num Cols | 400 | 
| Nonzeros | 2,860 | 
| Pattern Entries | 2,860 | 
| Kind | 2D/3D Problem | 
| Symmetric | No | 
| Date | 1986 | 
| Author | J. Cullum | 
| Editor | Z. Bai, D. Day, J. Demmel, J. Dongarra | 
 
 
| Structural Rank | 400 | 
| Structural Rank Full | true | 
| Num Dmperm Blocks | 2 | 
| Strongly Connect Components | 2 | 
| Num Explicit Zeros | 0 | 
| Pattern Symmetry | 98.9% | 
| Numeric Symmetry | 0.2% | 
| Cholesky Candidate | no | 
| Positive Definite | no | 
| Type | real | 
 
| SVD Statistics | 
| Matrix Norm | 5.732038e+00 | 
| Minimum Singular Value | 2.211310e-05 | 
| Condition Number | 2.592146e+05 | 
| Rank | 400 | 
| sprank(A)-rank(A) | 0 | 
| Null Space Dimension | 0 | 
| Full Numerical Rank? | yes | 
| Download Singular Values | MATLAB |