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FIDAPM07: 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
2065 x 2065, 53533 entries real unsymmetric
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
45184 1633 21540 22011 15834
Column Data Row Data
Average nonzeros per column : 22
Standard deviation : 10

indexnonzeros
longest314 50
shortest3 5

Average nonzeros per row : 22
Standard deviation : 13

indexnonzeros
longest313 62
shortest26 5

Bandwidths Profile Storage
lower346 upper346
average |i-j|85 std.dev.92
minmaxave.std.dev.
lower bandwidth0 345 82 93
upper bandwidth0 345 83 93

Nonsymmetric skyline storage 338715

Heaviest diagonals
offset from main0 -3 3 -6 6 -9 9 4 -2 12
nonzeros1633 1542 1510 1218 1198 1077 1068 923 864 750
accumulated percent 3.61 7.0310.3713.0615.7218.1020.4622.5124.4226.08

Top 10 out of 662 nonvoid diagonals.
Conditioning
Frobenius norm2.5e+02 condition number (est.)6.75e+19
2-norm (est.)22 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: ]