Schenk_IBMSDS/2D_27628_bjtcai
Olaf Schenk, Univ. Basel: IBM TJ Watson, Yorktown, semiconductor device
| Name | 2D_27628_bjtcai | 
| Group | Schenk_IBMSDS | 
| Matrix ID | 954 | 
| Num Rows | 27,628 | 
| Num Cols | 27,628 | 
| Nonzeros | 206,670 | 
| Pattern Entries | 442,898 | 
| Kind | Semiconductor Device Problem | 
| Symmetric | No | 
| Date | 2003 | 
| Author | IBM | 
| Editor | O. Schenk | 
 
 
| Structural Rank | 27,628 | 
| Structural Rank Full | true | 
| Num Dmperm Blocks | 6,361 | 
| Strongly Connect Components | 6,361 | 
| Num Explicit Zeros | 236,228 | 
| Pattern Symmetry | 100% | 
| Numeric Symmetry | 21.9% | 
| Cholesky Candidate | no | 
| Positive Definite | no | 
| Type | real | 
 
| SVD Statistics | 
| Matrix Norm | 4.725594e+05 | 
| Minimum Singular Value | 3.005080e-15 | 
| Condition Number | 1.572535e+20 | 
| Rank | 18,442 | 
| sprank(A)-rank(A) | 9,186 | 
| Null Space Dimension | 9,186 | 
| Full Numerical Rank? | no | 
| Download Singular Values | MATLAB |