HB/lshp2614

SYMMETRIC MATRIX FROM ALAN GEORGE'S L-SHAPE PROBLEMS, 1978.
Name lshp2614
Group HB
Matrix ID 199
Num Rows 2,614
Num Cols 2,614
Nonzeros 17,980
Pattern Entries 17,980
Kind Thermal Problem
Symmetric Yes
Date 1978
Author A. George
Editor I. Duff, R. Grimes, J. Lewis
Structural Rank 2,614
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 6.987978e+00
Minimum Singular Value 1.344526e-03
Condition Number 5.197354e+03
Rank 2,614
sprank(A)-rank(A) 0
Null Space Dimension 0
Full Numerical Rank? yes
Download Singular Values MATLAB