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WEST0132: Chemical engineering plant models
Rigorous flash unit

from set CHEMWEST, from the Harwell-Boeing Collection

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Visualizations

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Structure Plot City Plot
structure plot city plot
Spectral Portrait 3D Interactive City Plot
spectral portrait

[ VRML Version 2, gzipped ] 52799 bytes


Matrix Statistics

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Size Type
132 x 132, 414 entries real unsymmetric
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
413 6 188 219 804
Column Data Row Data
Average nonzeros per column : 3.1
Standard deviation : 2.6

indexnonzeros
longest42 19
shortest33 1

Average nonzeros per row : 3.1
Standard deviation : 1.8

indexnonzeros
longest55 9
shortest1 1

Bandwidths Profile Storage
lower95 upper81
average |i-j|25 std.dev.22
minmaxave.std.dev.
lower bandwidth1 117 41 30
upper bandwidth2 99 38 31

Nonsymmetric skyline storage 10294

Heaviest diagonals
offset from main12 13 33 16 10 11 -19 14 9 -33
nonzeros22 21 18 17 15 14 13 12 10 9
accumulated percent 5.3310.4114.7718.8922.5225.9129.0631.9634.3836.56

Top 10 out of 111 nonvoid diagonals.
Conditioning
Frobenius norm3.6e+05 condition number (est.)6.4e+11
2-norm (est.)3.2e+05 diagonal dominanceno


Set Information

Set CHEMWEST
Source: Art Westerberg, University of Pittsburgh
Discipline:Chemical engineering
Accession:Summer 1983


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Last change in this page: Wed Sep 22 13:33:31 US/Eastern 2004 [Comments: ]