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FIDAP010: 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
2410 x 2410, 54816 entries real unsymmetric
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
54816 2410 26203 26203 0
Column Data Row Data
Average nonzeros per column : 23
Standard deviation : 11

indexnonzeros
longest170 50
shortest1 6

Average nonzeros per row : 23
Standard deviation : 11

indexnonzeros
longest170 50
shortest1 6

Bandwidths Profile Storage
lower114 upper114
average |i-j|47 std.dev.35
minmaxave.std.dev.
lower bandwidth0 113 71 32
upper bandwidth0 113 71 32

Symmetric skyline storage requirement:173366

Heaviest diagonals
offset from main0 -3 3 -53 53 -50 50 -56 56 -6
nonzeros2410 2166 2166 1873 1873 1776 1776 1729 1729 926
accumulated percent 4.40 8.3512.3015.7219.1322.3725.6128.7731.9233.61

Top 10 out of 185 nonvoid diagonals.
Conditioning
Frobenius norm2.2e+08 condition number (est.)2.06e+12
2-norm (est.)7e+07 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 13:34:01 US/Eastern 2004 [Comments: ]