HB/zenios

S AIR-TRAFFIC CONTROL MODEL BY STAVROS A. ZENIOS
Name zenios
Group HB
Matrix ID 282
Num Rows 2,873
Num Cols 2,873
Nonzeros 1,314
Pattern Entries 27,191
Kind Optimization Problem
Symmetric Yes
Date 1985
Author S. Zenios
Editor I. Duff, R. Grimes, J. Lewis
Structural Rank 266
Structural Rank Full false
Num Dmperm Blocks 84
Strongly Connect Components 2,650
Num Explicit Zeros 25,877
Pattern Symmetry 100%
Numeric Symmetry 100%
Cholesky Candidate no
Positive Definite no
Type real
SVD Statistics
Matrix Norm 3.337948e+00
Minimum Singular Value 0
Condition Number Inf
Rank 265
sprank(A)-rank(A) 1
Null Space Dimension 2,608
Full Numerical Rank? no
Download Singular Values MATLAB