Matrix DWG961A

DWG961A: Dispersive Waveguide Structures

from set GEDNEY, from the NEP Collection

[Download] [Visualizations] [Matrix Statistics] [Set Information]

From generalized eigenvalue problem Ax=(lambda)Bx. This is matrix A; matrix B is DWG961B from GEDNEY set.

Download as

Compressed MatrixMarket format file: dwg961a.mtx.gz (13041 bytes)

Compressed Harwell-Boeing format file: dwg961a.cua.gz (15313 bytes)

Help: My browser can't read the compressed data files. What now?

Visualizations

Click on image to get an enlarged version. Click on label to get an explanation.

Structure Plot	City Plot

	3D Interactive City Plot
	[ VRML Version 2, gzipped ] 111167 bytes

Size Type

961 x 961, 3405 entries complex symmetric indefinite

Nonzeros

total diagonal below diagonal above diagonal A-A' A-A*
3405 705 1350 1350 0 2199

Column Data Row Data

Average nonzeros per column : 3.5
Standard deviation : 2.2
index nonzeros
longest 2 5
shortest 706 0
Average nonzeros per row : 3.5
Standard deviation : 2.2
index nonzeros
longest 2 5
shortest 706 0

Bandwidths Profile Storage

lower 60 upper 60
average |i-j| 12 std.dev. 19

min max ave. std.dev.
lower bandwidth 0 59 20 22
upper bandwidth 0 59 20 22
Symmetric skyline storage requirement:19258

Heaviest diagonals

offset from main 0 -1 1 -2 2 -45 45 -44 44 -3
nonzeros 705 675 675 240 240 197 197 196 196 15
accumulated percent 20.70 40.53 60.35 67.40 74.45 80.23 86.02 91.78 97.53 97.97

Top 10 out of 39 nonvoid diagonals.

Conditioning

Frobenius norm 2.6e+06 condition number (est.) Inf
2-norm (est.) 5.2e+05 diagonal dominance no

Set Information

Set GEDNEY
Source:	S. Gedney and U.D. Navsariwala, University of Kentucky
Discipline:	Electrical engineering

The Matrix Market is a service of the Mathematical and Computational Sciences Division / Information Technology Laboratory / National Institute of Standards and Technology.

[ Home ] [ Search ] [ Browse ] [ Resources ]

Last change in this page: Wed Sep 22 13:37:24 US/Eastern 2004 [Comments: ]