HB/bcsstk06

SYMMETRIC STIFFNESS MATRIX, MEDIUM TEST PROBLEM, LUMPED MASSES
Name bcsstk06
Group HB
Matrix ID 28
Num Rows 420
Num Cols 420
Nonzeros 7,860
Pattern Entries 7,860
Kind Structural Problem
Symmetric Yes
Date 1982
Author J. Lewis
Editor I. Duff, R. Grimes, J. Lewis
Structural Rank 420
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 3.486950e+09
Minimum Singular Value 4.606246e+02
Condition Number 7.570047e+06
Rank 420
sprank(A)-rank(A) 0
Null Space Dimension 0
Full Numerical Rank? yes
Download Singular Values MATLAB