TSOPF/TSOPF_RS_b9_c6

transient optimal power flow, Reduced-Space. Guangchao Geng, Zhejiang Univ
Name TSOPF_RS_b9_c6
Group TSOPF
Matrix ID 2245
Num Rows 7,224
Num Cols 7,224
Nonzeros 54,082
Pattern Entries 54,082
Kind Power Network Problem
Symmetric No
Date 2009
Author G. Geng
Editor T. Davis
Structural Rank 7,224
Structural Rank Full true
Num Dmperm Blocks 1,204
Strongly Connect Components 1,204
Num Explicit Zeros 0
Pattern Symmetry 15.4%
Numeric Symmetry 0%
Cholesky Candidate no
Positive Definite no
Type real
SVD Statistics
Matrix Norm 5.548158e+01
Minimum Singular Value 1.791630e-05
Condition Number 3.096709e+06
Rank 7,224
sprank(A)-rank(A) 0
Null Space Dimension 0
Full Numerical Rank? yes
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Notes
Transient stability-constrained optimal power flow (TSOPF) problems from     
Guangchao Geng, Institute of Power System, College of Electrical Engineering,
Zhejiang University, Hangzhou, 310027, China.  (genggc AT gmail DOT com).    
Matrices in the  Full-Space (FS) group are symmetric indefinite, and are best
solved with MA57.  Matrices in the the Reduced-Space (RS) group are best     
solved with KLU, which for these matrices can be 10 times faster than UMFPACK
or SuperLU.