VanVelzen/std1_Jac2_db
Chemical process simulation, Nils van Velzen (diagonal blocks only)
| Name | std1_Jac2_db | 
| Group | VanVelzen | 
| Matrix ID | 1333 | 
| Num Rows | 21,982 | 
| Num Cols | 21,982 | 
| Nonzeros | 498,771 | 
| Pattern Entries | 498,771 | 
| Kind | Chemical Process Simulation Problem | 
| Symmetric | No | 
| Date | 2006 | 
| Author | N. van Velzen | 
| Editor | T. Davis | 
 
 
| Structural Rank | 21,982 | 
| Structural Rank Full | true | 
| Num Dmperm Blocks | 11,091 | 
| Strongly Connect Components | 11,091 | 
| Num Explicit Zeros | 0 | 
| Pattern Symmetry | 32.6% | 
| Numeric Symmetry | 0% | 
| Cholesky Candidate | no | 
| Positive Definite | no | 
| Type | real | 
 
| SVD Statistics | 
| Matrix Norm | 4.459217e+11 | 
| Minimum Singular Value | 1.148513e-11 | 
| Condition Number | 3.882601e+22 | 
| Rank | 8,940 | 
| sprank(A)-rank(A) | 13,042 | 
| Null Space Dimension | 13,042 | 
| Full Numerical Rank? | no | 
| Download Singular Values | MATLAB |