Qaplib/lp_nug20
Netlib LP problem nug20: minimize c'*x, where Ax=b, lo<=x<=hi
| Name | lp_nug20 | 
| Group | Qaplib | 
| Matrix ID | 799 | 
| Num Rows | 15,240 | 
| Num Cols | 72,600 | 
| Nonzeros | 304,800 | 
| Pattern Entries | 304,800 | 
| Kind | Linear Programming Problem | 
| Symmetric | No | 
| Date | 1995 | 
| Author | M. Resende | 
| Editor | M. Resende | 
 
 
| Structural Rank | 15,240 | 
| Structural Rank Full | true | 
| Num Dmperm Blocks | 1 | 
| Strongly Connect Components | 1 | 
| Num Explicit Zeros | 0 | 
| Pattern Symmetry | 0% | 
| Numeric Symmetry | 0% | 
| Cholesky Candidate | no | 
| Positive Definite | no | 
| Type | integer | 
 
| SVD Statistics | 
| Matrix Norm | 1.143457e+01 | 
| Minimum Singular Value | 2.130423e-16 | 
| Condition Number | 5.367278e+16 | 
| Rank | 14,098 | 
| sprank(A)-rank(A) | 1,142 | 
| Null Space Dimension | 1,142 | 
| Full Numerical Rank? | no | 
| Download Singular Values | MATLAB |