Simon/raefsky4

BUCKLING PROBLEM FOR CONTAINER MODEL, ARTHUR RAEFSKY, CENTRIC ENG.
Name raefsky4
Group Simon
Matrix ID 817
Num Rows 19,779
Num Cols 19,779
Nonzeros 1,316,789
Pattern Entries 1,328,611
Kind Structural Problem
Symmetric Yes
Date 1993
Author A. Raefsky
Editor H. Simon
Structural Rank 19,779
Structural Rank Full true
Num Dmperm Blocks 1
Strongly Connect Components 1
Num Explicit Zeros 11,822
Pattern Symmetry 100%
Numeric Symmetry 100%
Cholesky Candidate yes
Positive Definite yes
Type real
SVD Statistics
Matrix Norm 2.666937e+11
Minimum Singular Value 8.520300e-03
Condition Number 3.130097e+13
Rank 19,771
sprank(A)-rank(A) 8
Null Space Dimension 8
Full Numerical Rank? no
Download Singular Values MATLAB