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BCSPWR06: Power network patterns
Western US power network -- 1454 bus

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
1454 x 1454, 3377 entries pattern symmetric indefinite
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
5300 1454 1923 1923 0
Column Data Row Data
Average nonzeros per column : 3.6
Standard deviation : 1.6

indexnonzeros
longest598 13
shortest3 2

Average nonzeros per row : 3.6
Standard deviation : 1.6

indexnonzeros
longest598 13
shortest3 2

Bandwidths Profile Storage
lower1342 upper1342
average |i-j|38 std.dev.1.2e+02
minmaxave.std.dev.
lower bandwidth1 1342 53 1.5e+02
upper bandwidth1 1342 53 1.5e+02

Symmetric skyline storage requirement:77060

Heaviest diagonals
offset from main0 -1 1 -2 2 -3 3 -4 4 -5
nonzeros1454 395 395 139 139 79 79 48 48 43
accumulated percent27.4334.8942.3444.9647.5849.0850.5751.4752.3853.19

Top 10 out of 517 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: ]