Andrianov/ex3sta1
ex3sta1 matrix from Alexander Andrianov, SAS Institute Inc.
| Name | ex3sta1 | 
| Group | Andrianov | 
| Matrix ID | 1379 | 
| Num Rows | 16,782 | 
| Num Cols | 16,782 | 
| Nonzeros | 678,998 | 
| Pattern Entries | 678,998 | 
| Kind | Optimization Problem | 
| Symmetric | Yes | 
| Date | 2006 | 
| Author | A. Andrianov | 
| Editor | T. Davis | 
 
 
| Structural Rank | 16,782 | 
| Structural Rank Full | true | 
| Num Dmperm Blocks | 1 | 
| Strongly Connect Components | 1 | 
| Num Explicit Zeros | 0 | 
| Pattern Symmetry | 100% | 
| Numeric Symmetry | 100% | 
| Cholesky Candidate | yes | 
| Positive Definite | no | 
| Type | binary | 
 
| SVD Statistics | 
| Matrix Norm | 6.398650e+01 | 
| Minimum Singular Value | 2.518410e-19 | 
| Condition Number | 2.540750e+20 | 
| Rank | 12,102 | 
| sprank(A)-rank(A) | 4,680 | 
| Null Space Dimension | 4,680 | 
| Full Numerical Rank? | no | 
| Download Singular Values | MATLAB |