Boeing/msc04515
SYMMETRIC TEST MATRIX FROM MSC/NASTRAN B30F8.OUT2
| Name | msc04515 | 
| Group | Boeing | 
| Matrix ID | 360 | 
| Num Rows | 4,515 | 
| Num Cols | 4,515 | 
| Nonzeros | 97,707 | 
| Pattern Entries | 97,707 | 
| Kind | Structural Problem | 
| Symmetric | Yes | 
| Date | 1995 | 
| Author | R. Grimes | 
| Editor | T. Davis | 
 
 
| Structural Rank | 4,515 | 
| Structural Rank Full | true | 
| Num Dmperm Blocks | 2 | 
| Strongly Connect Components | 2 | 
| Num Explicit Zeros | 0 | 
| Pattern Symmetry | 100% | 
| Numeric Symmetry | 100% | 
| Cholesky Candidate | yes | 
| Positive Definite | yes | 
| Type | real | 
 
| SVD Statistics | 
| Matrix Norm | 3.149237e+10 | 
| Minimum Singular Value | 1.385637e+04 | 
| Condition Number | 2.272772e+06 | 
| Rank | 4,515 | 
| sprank(A)-rank(A) | 0 | 
| Null Space Dimension | 0 | 
| Full Numerical Rank? | yes | 
| Download Singular Values | MATLAB |