BCSPWR08: Power network patterns
Western US power network -- 1624 bus

from set BCSPWR, from the Harwell-Boeing Collection

Download as

Compressed MatrixMarket format file: bcspwr08.mtx.gz (11063 bytes)
Compressed Harwell-Boeing format file: bcspwr08.psa.gz (10485 bytes)

Visualizations

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

Structure Plot

Matrix Statistics

Size	Type
1624 x 1624, 3837 entries	pattern symmetric indefinite
Nonzeros
total diagonal below diagonal above diagonal A-A' 6050 1624 2213 2213 0
Column Data	Row Data
Average nonzeros per column : 3.7 Standard deviation : 1.7 index nonzeros longest 622 14 shortest 3 2	Average nonzeros per row : 3.7 Standard deviation : 1.7 index nonzeros longest 622 14 shortest 3 2
Bandwidths	Profile Storage
lower 1495 upper 1495 average |i-j| 43 std.dev. 1.2e+02	min max ave. std.dev. lower bandwidth 1 1495 59 1.6e+02 upper bandwidth 1 1495 59 1.6e+02 Symmetric skyline storage requirement:96410
Heaviest diagonals
offset from main 0 -1 1 -2 2 -3 3 -4 4 -6 nonzeros 1624 451 451 156 156 93 93 61 61 44 accumulated percent 26.84 34.30 41.75 44.33 46.91 48.45 49.98 50.99 52.00 52.73 Top 10 out of 561 nonvoid diagonals.
Conditioning
Pattern matrix. No conditioning information.

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