IMPCOL B: Chemical engineering plant models
Cavett's process

from set CHEMIMP, from the Harwell-Boeing Collection

Download as

Compressed MatrixMarket format file: impcol_b.mtx.gz (1855 bytes)
Compressed Harwell-Boeing format file: impcol_b.rua.gz (1546 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 ] 39233 bytes

Matrix Statistics

Size	Type
59 x 59, 312 entries	real unsymmetric
Nonzeros
total diagonal below diagonal above diagonal A-A' 271 17 109 145 480
Column Data	Row Data
Average nonzeros per column : 4.6 Standard deviation : 4.2 index nonzeros longest 42 12 shortest 31 1	Average nonzeros per row : 4.6 Standard deviation : 2.1 index nonzeros longest 39 7 shortest 50 1
Bandwidths	Profile Storage
lower 44 upper 21 average |i-j| 9.3 std.dev. 8	min max ave. std.dev. lower bandwidth 0 43 11 14 upper bandwidth 0 20 9.1 5.6 Nonsymmetric skyline storage 1124
Heaviest diagonals
offset from main -1 5 0 10 4 9 3 -18 2 8 nonzeros 20 19 17 17 15 12 10 9 9 9 accumulated percent 7.38 14.39 20.66 26.94 32.47 36.90 40.59 43.91 47.23 50.55 Top 10 out of 46 nonvoid diagonals.
Conditioning
Frobenius norm 14 condition number (est.) 2.7e+05 2-norm (est.) 8.6 diagonal dominance no

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