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
Download MATLAB Rutherford Boeing Matrix Market
Notes
This matrix is the nonzero pattern of Boeing/crystk03