LSHP3466: Graded L-shape patterns

from set LSHAPE, from the Harwell-Boeing Collection

Download as

Compressed MatrixMarket format file: lshp3466.mtx.gz (29693 bytes)
Compressed Harwell-Boeing format file: lshp3466.psa.gz (28211 bytes)

Visualizations

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

Structure Plot

Matrix Statistics

Size	Type
3466 x 3466, 13681 entries	pattern symmetric indefinite
Nonzeros
total diagonal below diagonal above diagonal A-A' 23896 3466 10215 10215 0
Column Data	Row Data
Average nonzeros per column : 6.9 Standard deviation : 0.45 index nonzeros longest 1 7 shortest 16 4	Average nonzeros per row : 6.9 Standard deviation : 0.45 index nonzeros longest 1 7 shortest 16 4
Bandwidths	Profile Storage
lower 3435 upper 3435 average |i-j| 62 std.dev. 2.8e+02	min max ave. std.dev. lower bandwidth 1 3435 1.1e+02 3.7e+02 upper bandwidth 1 3435 1.1e+02 3.7e+02 Symmetric skyline storage requirement:367310
Heaviest diagonals
offset from main 0 -1 1 -12 12 -11 11 -10 10 -9 nonzeros 3466 3094 3094 690 690 630 630 570 570 510 accumulated percent 14.50 27.45 40.40 43.29 46.18 48.81 51.45 53.83 56.22 58.35 Top 10 out of 1059 nonvoid diagonals.
Conditioning
Pattern matrix. No conditioning information.

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

Last change in this page: Wed Sep 22 13:33:44 US/Eastern 2004 [Comments: ]