Boeing/pcrystk02
FEM CRYSTAL FREE VIBRATION STIFFNESS MATRIX
| Name | pcrystk02 | 
| Group | Boeing | 
| Matrix ID | 366 | 
| Num Rows | 13,965 | 
| Num Cols | 13,965 | 
| Nonzeros | 968,583 | 
| Pattern Entries | 968,583 | 
| Kind | Duplicate Materials Problem | 
| Symmetric | Yes | 
| Date | 1995 | 
| Author | R. Grimes | 
| Editor | T. Davis | 
 
 
| Structural Rank | 13,965 | 
| 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 | no | 
| Type | binary | 
 
| SVD Statistics | 
| Matrix Norm | 7.604438e+01 | 
| Minimum Singular Value | 2.660374e-82 | 
| Condition Number | 2.858409e+83 | 
| Rank | 4,624 | 
| sprank(A)-rank(A) | 9,341 | 
| Null Space Dimension | 9,341 | 
| Full Numerical Rank? | no | 
| Download Singular Values | MATLAB |