HB/bcsstk27

STIFFNESS MATRIX BUCKLING PROBLEM (ANDY MERA)
Name bcsstk27
Group HB
Matrix ID 49
Num Rows 1,224
Num Cols 1,224
Nonzeros 56,126
Pattern Entries 56,126
Kind Structural Problem
Symmetric Yes
Date 1984
Author A. Mera, R. Cigel, J. Lewis
Editor I. Duff, R. Grimes, J. Lewis
Structural Rank 1,224
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 yes
Type real
SVD Statistics
Matrix Norm 3.465059e+06
Minimum Singular Value 1.435646e+02
Condition Number 2.413588e+04
Rank 1,224
sprank(A)-rank(A) 0
Null Space Dimension 0
Full Numerical Rank? yes
Download Singular Values MATLAB