STEAM3: Enhanced oil recovery
1D steam model of oil res. - 20 points - 4 DOF

from set STEAM, from the Harwell-Boeing Collection

Download as

Compressed MatrixMarket format file: steam3.mtx.gz (4325 bytes)
Compressed Harwell-Boeing format file: steam3.rua.gz (3190 bytes)

Visualizations

Click on image to get an enlarged version. Click on label to get an explanation.

Structure Plot	City Plot
	3D Interactive City Plot
	[ VRML Version 2, gzipped ] 104825 bytes

Matrix Statistics

Size	Type
80 x 80, 928 entries	real unsymmetric
Nonzeros
total diagonal below diagonal above diagonal A-A' 314 80 137 97 236
Column Data	Row Data
Average nonzeros per column : 3.9 Standard deviation : 2.1 index nonzeros longest 8 7 shortest 2 2	Average nonzeros per row : 3.9 Standard deviation : 2.1 index nonzeros longest 5 6 shortest 3 1
Bandwidths	Profile Storage
lower 41 upper 44 average |i-j| 15 std.dev. 18	min max ave. std.dev. lower bandwidth 1 41 12 17 upper bandwidth 1 44 12 18 Symmetric skyline storage requirement:1790
Heaviest diagonals
offset from main 0 -1 -40 -3 -2 2 3 40 -36 36 nonzeros 80 40 20 20 20 20 20 20 18 18 accumulated percent 25.48 38.22 44.59 50.96 57.32 63.69 70.06 76.43 82.17 87.90 Top 10 out of 14 nonvoid diagonals.
Conditioning
Frobenius norm 1.8e+10 condition number (est.) 5.5e+10 2-norm (est.) 1.7e+10 diagonal dominance no

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