BARTH4: Nasa matrix, but with a diagonal added to the original matrix
Name barth4
Group Nasa
Matrix ID 755
Num Rows 6,019
Num Cols 6,019
Nonzeros 23,492
Pattern Entries 23,492
Kind Duplicate Structural Problem
Symmetric No
Date 1995
Author NASA
Editor G. Kumfert, A. Pothen
Structural Rank 6,019
Structural Rank Full true
Num Dmperm Blocks 33
Strongly Connect Components 33
Num Explicit Zeros 0
Pattern Symmetry 0%
Numeric Symmetry 0%
Cholesky Candidate no
Positive Definite no
Type binary
SVD Statistics
Matrix Norm 4.389711e+00
Minimum Singular Value 5.974320e-18
Condition Number 7.347634e+17
Rank 6,018
sprank(A)-rank(A) 1
Null Space Dimension 1
Full Numerical Rank? no
Download Singular Values MATLAB
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Let A=Nasa/barth4, then Pothen/barth4 = spones(A+A') with xyz coord.