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

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
118 x 118, 297 entries pattern symmetric indefinite
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
476 118 179 179 0
Column Data Row Data
Average nonzeros per column : 4
Standard deviation : 1.6

indexnonzeros
longest53 10
shortest1 2

Average nonzeros per row : 4
Standard deviation : 1.6

indexnonzeros
longest53 10
shortest1 2

Bandwidths Profile Storage
lower116 upper116
average |i-j|17 std.dev.30
minmaxave.std.dev.
lower bandwidth1 116 12 27
upper bandwidth1 116 12 27

Symmetric skyline storage requirement:1406

Heaviest diagonals
offset from main0 -1 1 -2 2 -3 3 -4 4 -6
nonzeros118 46 46 15 15 14 14 9 9 7
accumulated percent24.7934.4544.1247.2750.4253.3656.3058.1960.0861.55

Top 10 out of 113 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: ]