GRE 1107: Simulation of computer systems

from set GRENOBLE, from the Harwell-Boeing Collection

Download as

Compressed MatrixMarket format file: gre_1107.mtx.gz (24148 bytes)
Compressed Harwell-Boeing format file: gre_1107.rua.gz (15363 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 ] 131582 bytes

Matrix Statistics

Size	Type
1107 x 1107, 5664 entries	real unsymmetric
Nonzeros
total diagonal below diagonal above diagonal A-A' 5664 1107 3484 1073 9114
Column Data	Row Data
Average nonzeros per column : 5.1 Standard deviation : 0.94 index nonzeros longest 7 6 shortest 493 2	Average nonzeros per row : 5.1 Standard deviation : 1.4 index nonzeros longest 7 7 shortest 492 2
Bandwidths	Profile Storage
lower 171 upper 614 average |i-j| 1e+02 std.dev. 1.3e+02	min max ave. std.dev. lower bandwidth 1 171 1.2e+02 45 upper bandwidth 1 614 2e+02 2.2e+02 Nonsymmetric skyline storage 346880
Heaviest diagonals
offset from main 0 -134 -110 -9 9 -158 -160 -161 -1 -4 nonzeros 1107 115 93 86 85 75 74 71 69 66 accumulated percent 19.54 21.57 23.22 24.74 26.24 27.56 28.87 30.12 31.34 32.50 Top 10 out of 491 nonvoid diagonals.
Conditioning
Frobenius norm 18 condition number (est.) 9.7e+07 2-norm (est.) 1.1 diagonal dominance no

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Last change in this page: Wed Sep 22 13:33:40 US/Eastern 2004 [Comments: ]