ND/nd3k
ND problem set, matrix nd3k
| Name | nd3k | 
| Group | ND | 
| Matrix ID | 936 | 
| Num Rows | 9,000 | 
| Num Cols | 9,000 | 
| Nonzeros | 3,279,690 | 
| Pattern Entries | 3,279,690 | 
| Kind | 2D/3D Problem | 
| Symmetric | Yes | 
| Date | 2003 | 
| Author | author unknown | 
| Editor | T. Davis | 
 
 
| Structural Rank | 9,000 | 
| Structural Rank Full | true | 
| Num Dmperm Blocks | 1 | 
| Strongly Connect Components | 1 | 
| Num Explicit Zeros | 0 | 
| Pattern Symmetry | 100% | 
| Numeric Symmetry | 100% | 
| Cholesky Candidate | yes | 
| Positive Definite | yes | 
| Type | real | 
 
| SVD Statistics | 
| Matrix Norm | 1.276003e+02 | 
| Minimum Singular Value | 8.142296e-06 | 
| Condition Number | 1.567130e+07 | 
| Rank | 9,000 | 
| sprank(A)-rank(A) | 0 | 
| Null Space Dimension | 0 | 
| Full Numerical Rank? | yes | 
| Download Singular Values | MATLAB |