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
Download MATLAB Rutherford Boeing Matrix Market
Notes
This matrix is the nonzero pattern of Boeing/crystk02