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BCSPWR01: Power network patterns
Standard IEEE test power system -- New England

from set BCSPWR, from the Harwell-Boeing Collection

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Visualizations

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Structure Plot
structure plot


Matrix Statistics

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Size Type
39 x 39, 85 entries pattern symmetric indefinite
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
131 39 46 46 0
Column Data Row Data
Average nonzeros per column : 3.4
Standard deviation : 1

indexnonzeros
longest16 6
shortest30 2

Average nonzeros per row : 3.4
Standard deviation : 1

indexnonzeros
longest16 6
shortest30 2

Bandwidths Profile Storage
lower39 upper39
average |i-j|5.3 std.dev.8.5
minmaxave.std.dev.
lower bandwidth1 39 8.5 9.2
upper bandwidth1 39 8.5 9.2

Symmetric skyline storage requirement:331

Heaviest diagonals
offset from main0 -1 1 -3 3 -14 14 -13 -10 -5
nonzeros39 22 22 4 4 3 3 2 2 2
accumulated percent29.7746.5663.3666.4169.4771.7674.0575.5777.1078.63

Top 10 out of 35 nonvoid diagonals.
Conditioning
Pattern matrix. No conditioning information.


Set Information

Set BCSPWR
Source: Collected by B. Dembart and J. Lewis, Boeing Computer Services, Seattle, WA, USA
Discipline:Power networks
Accession:Summer 1981


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