HB/685_bus

S ADMITTANCE MATRIX 685 BUS POWER SYSTEM, D.J.TYLAVSKY, JULY 1985.
Name 685_bus
Group HB
Matrix ID 4

Num Rows

685

Num Cols

685

Nonzeros

3,249

Kind

Power Network Problem

Symmetric

Yes

Date

1985

Author

D. Tylavsky

Editor

I. Duff, R. Grimes, J. Lewis
Structural Rank 685
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

yes

Type

real
SVD Statistics
Matrix Norm 2.618649e+04
Minimum Singular Value 6.188821e-02
Condition Number 4.231256e+05
Rank 685
sprank(A)-rank(A) 0
Null Space Dimension 0
Full Numerical Rank? yes
Download Singular Values MATLAB