Boeing/msc01050
SYMMETRIC TEST MATRIX FROM MSC/NASTRAN STARF8.OUT2
| Name | msc01050 | 
| Group | Boeing | 
| Matrix ID | 358 | 
| Num Rows | 1,050 | 
| Num Cols | 1,050 | 
| Nonzeros | 26,198 | 
| Pattern Entries | 29,156 | 
| Kind | Structural Problem | 
| Symmetric | Yes | 
| Date | 1995 | 
| Author | R. Grimes | 
| Editor | T. Davis | 
 
 
| Structural Rank | 1,050 | 
| Structural Rank Full | true | 
| Num Dmperm Blocks | 1 | 
| Strongly Connect Components | 1 | 
| Num Explicit Zeros | 2,958 | 
| Pattern Symmetry | 100% | 
| Numeric Symmetry | 100% | 
| Cholesky Candidate | yes | 
| Positive Definite | yes | 
| Type | real | 
 
| SVD Statistics | 
| Matrix Norm | 2.100926e+07 | 
| Minimum Singular Value | 4.584576e-09 | 
| Condition Number | 4.582596e+15 | 
| Rank | 1,049 | 
| sprank(A)-rank(A) | 1 | 
| Null Space Dimension | 1 | 
| Full Numerical Rank? | no | 
| Download Singular Values | MATLAB |