ATandT/pre2

AT&T,harmonic balance method, large example
Name pre2
Group ATandT
Matrix ID 285
Num Rows 659,033
Num Cols 659,033
Nonzeros 5,834,044
Pattern Entries 5,959,282
Kind Frequency Domain Circuit Simulation Problem
Symmetric No
Date 2001
Author R. Melville, D. Long
Editor T. Davis
Structural Rank 659,033
Structural Rank Full true
Num Dmperm Blocks 29,282
Strongly Connect Components 391
Num Explicit Zeros 125,238
Pattern Symmetry 33.2%
Numeric Symmetry 6.5%
Cholesky Candidate no
Positive Definite no
Type real