Boeing/pcrystk03
FEM CRYSTAL FREE VIBRATION STIFFNESS MATRIX
| Name | pcrystk03 | 
| Group | Boeing | 
| Matrix ID | 367 | 
| Num Rows | 24,696 | 
| Num Cols | 24,696 | 
| Nonzeros | 1,751,178 | 
| Pattern Entries | 1,751,178 | 
| Kind | Duplicate Materials Problem | 
| Symmetric | Yes | 
| Date | 1995 | 
| Author | R. Grimes | 
| Editor | T. Davis | 
 
 
| Structural Rank | 24,696 | 
| 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 | 7.710439e+01 | 
| Minimum Singular Value | 8.400410e-161 | 
| Condition Number | 9.178646e+161 | 
| Rank | 7,301 | 
| sprank(A)-rank(A) | 17,395 | 
| Null Space Dimension | 17,395 | 
| Full Numerical Rank? | no | 
| Download Singular Values | MATLAB |