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FIDAPM09: Matrices generated by the FIDAP Package

from set FIDAP, from the SPARSKIT Collection

[Download] [Visualizations] [Matrix Statistics] [Set Information]


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Visualizations

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Structure Plot City Plot
structure plot city plot


Matrix Statistics

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Size Type
4683 x 4683, 95053 entries real unsymmetric
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
93733 3363 45185 45185 10
Column Data Row Data
Average nonzeros per column : 20
Standard deviation : 7.9

indexnonzeros
longest106 37
shortest3 7

Average nonzeros per row : 20
Standard deviation : 7.9

indexnonzeros
longest106 37
shortest3 7

Bandwidths Profile Storage
lower118 upper118
average |i-j|46 std.dev.46
minmaxave.std.dev.
lower bandwidth0 117 49 48
upper bandwidth0 117 49 48

Symmetric skyline storage requirement:458703

Heaviest diagonals
offset from main-2 2 0 -4 4 -7 7 -6 6 -5
nonzeros4094 4094 3363 3150 3150 2501 2501 2489 2489 2350
accumulated percent 4.37 8.7412.3215.6819.0421.7124.3827.0429.6932.20

Top 10 out of 217 nonvoid diagonals.
Conditioning
Frobenius norm5.4e+03 condition number (est.)1.04e+07
2-norm (est.)6.4e+02 diagonal dominanceno


Set Information

Set FIDAP
Source: Isaac Hasbani (Fluid Dynamics International) Barry Rackner (Minnesota Supercomputer Center)
Discipline:Finite element modeling


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Last change in this page: Wed Sep 22 13:34:03 US/Eastern 2004 [Comments: ]