HB/lshp_406

SYMMETRIC MATRIX FROM ALAN GEORGE'S L-SHAPE PROBLEMS, 1978.
Name lshp_406
Group HB
Matrix ID 203
Num Rows 406
Num Cols 406
Nonzeros 2,716
Pattern Entries 2,716
Kind Thermal Problem
Symmetric Yes
Date 1978
Author A. George
Editor I. Duff, R. Grimes, J. Lewis
Structural Rank 406
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 no
Type binary
SVD Statistics
Matrix Norm 6.926945e+00
Minimum Singular Value 6.246661e-03
Condition Number 1.108904e+03
Rank 406
sprank(A)-rank(A) 0
Null Space Dimension 0
Full Numerical Rank? yes
Download Singular Values MATLAB