Power simulation matrix, Li Peijie, Inst. of Power Systems, Guangxi Univ.
Name OPF_6000
Group IPSO
Matrix ID 2538
Num Rows 29,902
Num Cols 29,902
Nonzeros 274,697
Pattern Entries 302,418
Kind Power Network Problem
Symmetric Yes
Date 2011
Author L. Peijie
Editor J. Hogg
Structural Rank 29,902
Structural Rank Full true
Num Dmperm Blocks 1
Strongly Connect Components 1
Num Explicit Zeros 27,721
Pattern Symmetry 100%
Numeric Symmetry 100%
Cholesky Candidate no
Positive Definite no
Type real
SVD Statistics
Matrix Norm 6.666670e+07
Minimum Singular Value 6.959930e-04
Condition Number 9.578646e+10
Rank 29,902
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.