Power simulation matrix, Li Peijie, Inst. of Power Systems, Guangxi Univ.
Name OPF_3754
Group IPSO
Matrix ID 2537
Num Rows 15,435
Num Cols 15,435
Nonzeros 141,478
Pattern Entries 158,273
Kind Power Network Problem
Symmetric Yes
Date 2011
Author L. Peijie
Editor J. Hogg
Structural Rank 15,435
Structural Rank Full true
Num Dmperm Blocks 1
Strongly Connect Components 1
Num Explicit Zeros 16,795
Pattern Symmetry 100%
Numeric Symmetry 100%
Cholesky Candidate no
Positive Definite no
Type real
SVD Statistics
Matrix Norm 1.085078e+05
Minimum Singular Value 1.918593e-04
Condition Number 5.655593e+08
Rank 15,435
sprank(A)-rank(A) 0
Null Space Dimension 0
Full Numerical Rank? yes
Download Singular Values MATLAB
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Three different kinds of optimization methods (OPF, TSCOPF, HTC)
applied to power system simulation.  All matrices are symmetric 
indefinite.  From Li Peijie, Institute of Power Systems,        
Guangxi University (beyondpeijie at gxu.edu.cn).  Collected by  
Jonathan Hogg, Rutherford Appleton Laboratory, Oxfordshire, UK.