HB/bcspwr04

SYMMETRIC STRUCTURE EQUIVALENCED REPRESENTATION OF U.S. POWER NETWORK
Name bcspwr04
Group HB
Matrix ID 16

Num Rows

274

Num Cols

274

Nonzeros

1,612

Kind

Power Network Problem

Symmetric

Yes

Date

1981

Author

B. Dembart, J. Lewis

Editor

I. Duff, R. Grimes, J. Lewis
Structural Rank 274
Structural Rank Full true

Num Dmperm Blocks

1

Strongly Connect Components

1

Num Explicit Zeros

0

Pattern Symmetry

100%

Numeric Symmetry

100%

Cholesky Candidate

yes

Positive Definite

no

Type

binary
SVD Statistics
Matrix Norm 1.011456e+01
Minimum Singular Value 9.119241e-18
Condition Number 1,109,145,449,652,521,984
Rank 262
sprank(A)-rank(A) 12
Null Space Dimension 12
Full Numerical Rank? no
Download Singular Values MATLAB