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FIDAPM10: 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
3046 x 3046, 53842 entries real unsymmetric
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
53206 2410 25398 25398 0
Column Data Row Data
Average nonzeros per column : 17
Standard deviation : 7.5

indexnonzeros
longest224 37
shortest1 6

Average nonzeros per row : 17
Standard deviation : 7.5

indexnonzeros
longest224 37
shortest1 6

Bandwidths Profile Storage
lower140 upper140
average |i-j|53 std.dev.41
minmaxave.std.dev.
lower bandwidth0 139 82 39
upper bandwidth0 139 82 39

Symmetric skyline storage requirement:254074

Heaviest diagonals
offset from main0 -3 3 -6 6 -68 68 -65 65 -59
nonzeros2410 2364 2364 1366 1366 1047 1047 1044 1044 1025
accumulated percent 4.53 8.9713.4215.9818.5520.5222.4924.4526.4128.34

Top 10 out of 195 nonvoid diagonals.
Conditioning
Frobenius norm9.8 condition number (est.)3.86e+04
2-norm (est.)1.2 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: ]