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FIDAPM15: 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
9287 x 9287, 98519 entries real unsymmetric
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
96099 6867 44616 44616 0
Column Data Row Data
Average nonzeros per column : 10
Standard deviation : 2.5

indexnonzeros
longest112 13
shortest37 2

Average nonzeros per row : 10
Standard deviation : 2.5

indexnonzeros
longest112 13
shortest37 2

Bandwidths Profile Storage
lower123 upper123
average |i-j|52 std.dev.39
minmaxave.std.dev.
lower bandwidth0 122 67 36
upper bandwidth0 122 67 36

Symmetric skyline storage requirement:632342

Heaviest diagonals
offset from main0 -85 85 -4 4 -81 81 -89 89 -3
nonzeros6867 6768 6768 6613 6613 6555 6555 6444 6444 2419
accumulated percent 7.1514.1921.2328.1134.9941.8248.6455.3462.0564.56

Top 10 out of 195 nonvoid diagonals.
Conditioning
Frobenius norm28 condition number (est.)1.36e+20
2-norm (est.)2.3 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: ]