IMPCOL C: Chemical engineering plant models
Ethylene plant model

from set CHEMIMP, from the Harwell-Boeing Collection

Download as

Compressed MatrixMarket format file: impcol_c.mtx.gz (1544 bytes)
Compressed Harwell-Boeing format file: impcol_c.rua.gz (1298 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 ] 49553 bytes

Matrix Statistics

Size	Type
137 x 137, 411 entries	real unsymmetric
Nonzeros
total diagonal below diagonal above diagonal A-A' 400 51 202 147 678
Column Data	Row Data
Average nonzeros per column : 2.9 Standard deviation : 2.1 index nonzeros longest 15 8 shortest 8 1	Average nonzeros per row : 2.9 Standard deviation : 1.5 index nonzeros longest 9 8 shortest 1 1
Bandwidths	Profile Storage
lower 92 upper 23 average |i-j| 12 std.dev. 16	min max ave. std.dev. lower bandwidth 0 91 20 23 upper bandwidth 0 22 5.2 4.2 Nonsymmetric skyline storage 3336
Heaviest diagonals
offset from main 7 0 -9 -16 -1 -2 -46 -30 5 6 nonzeros 77 51 29 21 21 19 14 14 14 12 accumulated percent 19.25 32.00 39.25 44.50 49.75 54.50 58.00 61.50 65.00 68.00 Top 10 out of 52 nonvoid diagonals.
Conditioning
Frobenius norm 1.5e+02 condition number (est.) 2.4e+04 2-norm (est.) 1.2e+02 diagonal dominance no

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