GHS_indef/tuma1

Gould, Hu, & Scott: mine model from Miroslav Tuma
Name tuma1
Group GHS_indef
Matrix ID 1249
Num Rows 22,967
Num Cols 22,967
Nonzeros 87,760
Pattern Entries 87,760
Kind 2D/3D Problem
Symmetric Yes
Date 2004
Author M. Tuma
Editor N. Gould, Y. Hu, J. Scott
Structural Rank 22,967
Structural Rank Full true
Num Dmperm Blocks 1,437
Strongly Connect Components 1
Num Explicit Zeros 0
Pattern Symmetry 100%
Numeric Symmetry 100%
Cholesky Candidate no
Positive Definite no
Type real
SVD Statistics
Matrix Norm 4.891341e+00
Minimum Singular Value 1.595498e-03
Condition Number 3.065714e+03
Rank 22,967
sprank(A)-rank(A) 0
Null Space Dimension 0
Full Numerical Rank? yes
Download Singular Values MATLAB