Cote/vibrobox

Vibroacoustic problem (flexible box, structure only) Andre Cote
Name vibrobox
Group Cote
Matrix ID 379
Num Rows 12,328
Num Cols 12,328
Nonzeros 301,700
Pattern Entries 342,828
Kind Acoustics Problem
Symmetric Yes
Date 1997
Author A. Cote
Editor T. Davis
Structural Rank 12,328
Structural Rank Full true
Num Dmperm Blocks 1
Strongly Connect Components 1
Num Explicit Zeros 41,128
Pattern Symmetry 100%
Numeric Symmetry 100%
Cholesky Candidate yes
Positive Definite no
Type real
SVD Statistics
Matrix Norm 4.025729e+11
Minimum Singular Value 3.840941e-08
Condition Number 1.048110e+19
Rank 12,322
sprank(A)-rank(A) 6
Null Space Dimension 6
Full Numerical Rank? no
Download Singular Values MATLAB