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FIDAPM02: 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
3D Interactive City Plot

[ VRML Version 2, gzipped ] 466737 bytes


Matrix Statistics

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Size Type
537 x 537, 19241 entries real unsymmetric
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
19145 441 9352 9352 0
Column Data Row Data
Average nonzeros per column : 36
Standard deviation : 19

indexnonzeros
longest118 91
shortest74 7

Average nonzeros per row : 36
Standard deviation : 19

indexnonzeros
longest118 91
shortest74 7

Bandwidths Profile Storage
lower158 upper158
average |i-j|40 std.dev.38
minmaxave.std.dev.
lower bandwidth0 157 48 41
upper bandwidth0 157 48 41

Symmetric skyline storage requirement:26529

Heaviest diagonals
offset from main0 -5 5 -4 4 -9 9 -10 10 -6
nonzeros441 420 420 311 311 283 283 264 264 247
accumulated percent 2.30 4.50 6.69 8.32 9.9411.4212.9014.2815.6516.94

Top 10 out of 313 nonvoid diagonals.
Conditioning
Frobenius norm54 condition number (est.)1.4e+05
2-norm (est.)6.8 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 13:34:02 US/Eastern 2004 [Comments: ]