HB/bp_400

UNSYMMETRIC BASIS FROM LP PROBLEM BP
Name bp_400
Group HB
Matrix ID 88
Num Rows 822
Num Cols 822
Nonzeros 4,028
Pattern Entries 4,028
Kind Subsequent Optimization Problem
Symmetric No
Date 1978
Author M. Saunders
Editor A. Curtis, I. Duff, J. Reid
Structural Rank 822
Structural Rank Full true
Num Dmperm Blocks 591
Strongly Connect Components 2
Num Explicit Zeros 0
Pattern Symmetry 0.5%
Numeric Symmetry 0%
Cholesky Candidate no
Positive Definite no
Type real
SVD Statistics
Matrix Norm 3.125877e+02
Minimum Singular Value 8.847187e-05
Condition Number 3.533187e+06
Rank 822
sprank(A)-rank(A) 0
Null Space Dimension 0
Full Numerical Rank? yes
Download Singular Values MATLAB
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Notes
next: HB/bp_600 first: HB/bp_0