Andrianov/pattern1

pattern1 matrix from Alexander Andrianov, SAS Institute Inc.
Name pattern1
Group Andrianov
Matrix ID 1393
Num Rows 19,242
Num Cols 19,242
Nonzeros 9,323,432
Pattern Entries 9,323,432
Kind Optimization Problem
Symmetric Yes
Date 2006
Author A. Andrianov
Editor T. Davis
Structural Rank 19,242
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 7.708143e+02
Minimum Singular Value 3.011612e-82
Condition Number 2.559475e+84
Rank 11,293
sprank(A)-rank(A) 7,949
Null Space Dimension 7,949
Full Numerical Rank? no
Download Singular Values MATLAB