BCSPWR03: Power network patterns
IEEE standard 118 bus test case power network

from set BCSPWR, from the Harwell-Boeing Collection

Download as

Compressed MatrixMarket format file: bcspwr03.mtx.gz (770 bytes)
Compressed Harwell-Boeing format file: bcspwr03.psa.gz (851 bytes)

Visualizations

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

Structure Plot

Matrix Statistics

Size	Type
118 x 118, 297 entries	pattern symmetric indefinite
Nonzeros
total diagonal below diagonal above diagonal A-A' 476 118 179 179 0
Column Data	Row Data
Average nonzeros per column : 4 Standard deviation : 1.6 index nonzeros longest 53 10 shortest 1 2	Average nonzeros per row : 4 Standard deviation : 1.6 index nonzeros longest 53 10 shortest 1 2
Bandwidths	Profile Storage
lower 116 upper 116 average |i-j| 17 std.dev. 30	min max ave. std.dev. lower bandwidth 1 116 12 27 upper bandwidth 1 116 12 27 Symmetric skyline storage requirement:1406
Heaviest diagonals
offset from main 0 -1 1 -2 2 -3 3 -4 4 -6 nonzeros 118 46 46 15 15 14 14 9 9 7 accumulated percent 24.79 34.45 44.12 47.27 50.42 53.36 56.30 58.19 60.08 61.55 Top 10 out of 113 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: ]