BCSPWR05: Power network patterns
Equivalenced representation of western US power network

from set BCSPWR, from the Harwell-Boeing Collection

Download as

Compressed MatrixMarket format file: bcspwr05.mtx.gz (2944 bytes)
Compressed Harwell-Boeing format file: bcspwr05.psa.gz (2941 bytes)

Visualizations

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

Structure Plot

Matrix Statistics

Size	Type
443 x 443, 1033 entries	pattern symmetric indefinite
Nonzeros
total diagonal below diagonal above diagonal A-A' 1623 443 590 590 0
Column Data	Row Data
Average nonzeros per column : 3.7 Standard deviation : 1.6 index nonzeros longest 177 10 shortest 4 2	Average nonzeros per row : 3.7 Standard deviation : 1.6 index nonzeros longest 177 10 shortest 4 2
Bandwidths	Profile Storage
lower 436 upper 436 average |i-j| 70 std.dev. 99	min max ave. std.dev. lower bandwidth 1 436 83 1.1e+02 upper bandwidth 1 436 83 1.1e+02 Symmetric skyline storage requirement:36691
Heaviest diagonals
offset from main 0 -1 1 -2 2 -3 3 -4 4 -58 nonzeros 443 102 102 45 45 25 25 15 15 6 accumulated percent 27.30 33.58 39.86 42.64 45.41 46.95 48.49 49.41 50.34 50.71 Top 10 out of 471 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: ]