HB/bcsstk23

SYMMETRIC STIFFNESS MATRIX - PORTION OF A 3D GLOBALLY TRIANGLULAR BLDG
Name bcsstk23
Group HB
Matrix ID 45
Num Rows 3,134
Num Cols 3,134
Nonzeros 45,178
Pattern Entries 45,178
Kind Structural Problem
Symmetric Yes
Date 1984
Author J. Lewis
Editor I. Duff, R. Grimes, J. Lewis
Structural Rank 3,134
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 22,580,407,237,629,408
Minimum Singular Value 8.535284e+03
Condition Number 2.645537e+12
Rank 3,133
sprank(A)-rank(A) 1
Null Space Dimension 1
Full Numerical Rank? no
Download Singular Values MATLAB