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FIDAP022: 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 ] 597953 bytes


Matrix Statistics

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Size Type
839 x 839, 22613 entries real unsymmetric
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
22352 593 10880 10879 2492
Column Data Row Data
Average nonzeros per column : 27
Standard deviation : 14

indexnonzeros
longest250 62
shortest31 7

Average nonzeros per row : 27
Standard deviation : 14

indexnonzeros
longest250 62
shortest31 7

Bandwidths Profile Storage
lower125 upper125
average |i-j|19 std.dev.14
minmaxave.std.dev.
lower bandwidth0 124 30 15
upper bandwidth0 124 30 15

Nonsymmetric skyline storage 49035

Heaviest diagonals
offset from main-2 2 -1 1 0 3 -3 -19 19 -20
nonzeros644 644 609 609 593 553 552 440 440 439
accumulated percent 2.88 5.76 8.4911.2113.8616.3418.8120.7822.7524.71

Top 10 out of 169 nonvoid diagonals.
Conditioning
Frobenius norm57 condition number (est.)6.2e+04
2-norm (est.)15 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: ]