BCSPWR02: Power network patterns
Small test power system -- WSCC

from set BCSPWR, from the Harwell-Boeing Collection

Download as

Compressed MatrixMarket format file: bcspwr02.mtx.gz (328 bytes)
Compressed Harwell-Boeing format file: bcspwr02.psa.gz (413 bytes)

Visualizations

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

Structure Plot

Matrix Statistics

Size	Type
49 x 49, 108 entries	pattern symmetric indefinite
Nonzeros
total diagonal below diagonal above diagonal A-A' 167 49 59 59 0
Column Data	Row Data
Average nonzeros per column : 3.4 Standard deviation : 1.4 index nonzeros longest 23 7 shortest 1 2	Average nonzeros per row : 3.4 Standard deviation : 1.4 index nonzeros longest 23 7 shortest 1 2
Bandwidths	Profile Storage
lower 35 upper 35 average |i-j| 6.4 std.dev. 9.2	min max ave. std.dev. lower bandwidth 1 35 8.7 10 upper bandwidth 1 35 8.7 10 Symmetric skyline storage requirement:426
Heaviest diagonals
offset from main 0 -1 1 -2 2 -27 -3 3 27 -9 nonzeros 49 15 15 8 8 5 5 5 5 3 accumulated percent 29.34 38.32 47.31 52.10 56.89 59.88 62.87 65.87 68.86 70.66 Top 10 out of 47 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: ]