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GRE 115: Simulation of computer systems

from set GRENOBLE, from the Harwell-Boeing Collection

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Visualizations

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Structure Plot City Plot
structure plot city plot
Spectral Portrait 3D Interactive City Plot
spectral portrait

[ VRML Version 2, gzipped ] 53023 bytes


Matrix Statistics

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Size Type
115 x 115, 421 entries real unsymmetric
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
421 115 204 102 534
Column Data Row Data
Average nonzeros per column : 3.7
Standard deviation : 1.3

indexnonzeros
longest1 7
shortest29 2

Average nonzeros per row : 3.7
Standard deviation : 0.98

indexnonzeros
longest1 7
shortest29 2

Bandwidths Profile Storage
lower40 upper102
average |i-j|22 std.dev.23
minmaxave.std.dev.
lower bandwidth1 40 27 10
upper bandwidth1 102 34 35

Nonsymmetric skyline storage 6962

Heaviest diagonals
offset from main0 -37 -34 -36 -30 -32 -33 -31 -19 -38
nonzeros115 18 12 11 11 10 8 8 8 7
accumulated percent27.3231.5934.4437.0539.6742.0443.9445.8447.7449.41

Top 10 out of 104 nonvoid diagonals.
Conditioning
Frobenius norm7.2 condition number (est.)1.5e+02
2-norm (est.)1 diagonal dominanceno


Set Information

Set GRENOBLE
Source: François Cachard, University of Grenoble, France.
Discipline:Simulation studies in computer systems.
Accession:June 3, 1981


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Last change in this page: Wed Sep 22 13:33:39 US/Eastern 2004 [Comments: ]