MathWorks/Sieber

Default tol and symtol not sufficient. Jan Sieber, Univ Bristol
Name Sieber
Group MathWorks
Matrix ID 1378
Num Rows 2,290
Num Cols 2,290
Nonzeros 14,873
Pattern Entries 14,873
Kind Counter Example Problem
Symmetric No
Date 2006
Author Sieber
Editor T. Davis
Structural Rank 2,290
Structural Rank Full true
Num Dmperm Blocks 1
Strongly Connect Components 1
Num Explicit Zeros 0
Pattern Symmetry 72.7%
Numeric Symmetry 0%
Cholesky Candidate no
Positive Definite no
Type real
SVD Statistics
Matrix Norm 4.083798e+05
Minimum Singular Value 8.851824e-04
Condition Number 4.613510e+08
Rank 2,290
sprank(A)-rank(A) 0
Null Space Dimension 0
Full Numerical Rank? yes
Download Singular Values MATLAB