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STEAM2: Enhanced oil recovery
3D steam model of oil res. - 5x5x6 - 4 DOF

from set STEAM, from the Harwell-Boeing Collection

[Download] [Visualizations] [Matrix Statistics] [Set Information]


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Visualizations

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Structure Plot City Plot
structure plot city plot
3D Interactive City Plot

[ VRML Version 2, gzipped ] 294142 bytes


Matrix Statistics

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Size Type
600 x 600, 13760 entries real unsymmetric
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
5660 600 2610 2450 6390
Column Data Row Data
Average nonzeros per column : 9.4
Standard deviation : 4.9

indexnonzeros
longest48 21
shortest266 2

Average nonzeros per row : 9.4
Standard deviation : 4.5

indexnonzeros
longest45 17
shortest3 1

Bandwidths Profile Storage
lower331 upper332
average |i-j|2.1e+02 std.dev.1.4e+02
minmaxave.std.dev.
lower bandwidth1 331 1.6e+02 1.6e+02
upper bandwidth1 332 1.5e+02 1.5e+02

Symmetric skyline storage requirement:187681

Heaviest diagonals
offset from main0 -1 -328 268 -308 -3 -2 2 3 1
nonzeros600 300 192 172 164 150 150 150 150 145
accumulated percent10.6015.9019.2922.3325.2327.8830.5333.1835.8338.39

Top 10 out of 123 nonvoid diagonals.
Conditioning
Frobenius norm5.3e+10 condition number (est.)3.5e+06
2-norm (est.)4.7e+09 diagonal dominanceno


Set Information

Set STEAM
Source: Roger Grimes, Boeing Computer Services, Seattle, Washington.
Discipline:Oil recovery
Accession:Spring 1983


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Last change in this page: Wed Sep 22 13:33:51 US/Eastern 2004 [Comments: ]