IMPCOL A: Chemical engineering plant models
Heat exchanger network

from set CHEMIMP, from the Harwell-Boeing Collection

Download as

Compressed MatrixMarket format file: impcol_a.mtx.gz (3493 bytes)
Compressed Harwell-Boeing format file: impcol_a.rua.gz (3089 bytes)

Visualizations

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

Structure Plot	City Plot
Spectral Portrait	3D Interactive City Plot
	[ VRML Version 2, gzipped ] 71560 bytes

Matrix Statistics

Size	Type
207 x 207, 572 entries	real unsymmetric
Nonzeros
total diagonal below diagonal above diagonal A-A' 572 8 159 405 1108
Column Data	Row Data
Average nonzeros per column : 2.8 Standard deviation : 1.4 index nonzeros longest 1 5 shortest 7 1	Average nonzeros per row : 2.8 Standard deviation : 1.7 index nonzeros longest 17 8 shortest 2 1
Bandwidths	Profile Storage
lower 168 upper 20 average |i-j| 17 std.dev. 28	min max ave. std.dev. lower bandwidth 0 167 15 33 upper bandwidth 0 19 10 5.2 Nonsymmetric skyline storage 5098
Heaviest diagonals
offset from main 12 11 10 9 7 14 13 5 8 6 nonzeros 36 34 33 32 29 29 28 24 24 22 accumulated percent 6.29 12.24 18.01 23.60 28.67 33.74 38.64 42.83 47.03 50.87 Top 10 out of 89 nonvoid diagonals.
Conditioning
Frobenius norm 2.4e+03 condition number (est.) 4.3e+07 2-norm (est.) 8.6e+02 diagonal dominance no

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