Andrianov/lpl1
lpl1 matrix from Alexander Andrianov, SAS Institute Inc.
| Name | lpl1 | 
| Group | Andrianov | 
| Matrix ID | 1384 | 
| Num Rows | 32,460 | 
| Num Cols | 32,460 | 
| Nonzeros | 328,036 | 
| Pattern Entries | 328,036 | 
| Kind | Optimization Problem | 
| Symmetric | Yes | 
| Date | 2006 | 
| Author | A. Andrianov | 
| Editor | T. Davis | 
 
 
| Structural Rank | 32,460 | 
| Structural Rank Full | true | 
| Num Dmperm Blocks | 3 | 
| Strongly Connect Components | 3 | 
| Num Explicit Zeros | 0 | 
| Pattern Symmetry | 100% | 
| Numeric Symmetry | 100% | 
| Cholesky Candidate | yes | 
| Positive Definite | no | 
| Type | binary | 
 
| SVD Statistics | 
| Matrix Norm | 4.598698e+01 | 
| Minimum Singular Value | 1.474536e-28 | 
| Condition Number | 3.118742e+29 | 
| Rank | 31,143 | 
| sprank(A)-rank(A) | 1,317 | 
| Null Space Dimension | 1,317 | 
| Full Numerical Rank? | no | 
| Download Singular Values | MATLAB |