MathWorks/Pd_rhs
Matrix problem X=A\B with many sparse right-hand-sides
| Name | Pd_rhs | 
| Group | MathWorks | 
| Matrix ID | 1171 | 
| Num Rows | 8,081 | 
| Num Cols | 12,406 | 
| Nonzeros | 6,323 | 
| Pattern Entries | 6,323 | 
| Kind | Counter Example Problem | 
| Symmetric | No | 
| Date | 2002 | 
| Author | P. Anderson | 
| Editor | T. Davis | 
 
 
| Structural Rank | 4,368 | 
| Structural Rank Full | false | 
| Num Dmperm Blocks | 2,872 | 
| Strongly Connect Components | 14,549 | 
| Num Explicit Zeros | 0 | 
| Pattern Symmetry | 0% | 
| Numeric Symmetry | 0% | 
| Cholesky Candidate | no | 
| Positive Definite | no | 
| Type | real | 
 
| SVD Statistics | 
| Matrix Norm | 1.355413e+05 | 
| Minimum Singular Value | 0 | 
| Condition Number | Inf | 
| Rank | 4,368 | 
| sprank(A)-rank(A) | 0 | 
| Null Space Dimension | 3,713 | 
| Full Numerical Rank? | no | 
| Download Singular Values | MATLAB |