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FIDAP011: Matrices generated by the FIDAP Package

from set FIDAP, from the SPARSKIT Collection

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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
16614 x 16614, 1091362 entries real unsymmetric
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
1091362 16614 537374 537374 0
Column Data Row Data
Average nonzeros per column : 66
Standard deviation : 16

indexnonzeros
longest2143 90
shortest16 13

Average nonzeros per row : 66
Standard deviation : 16

indexnonzeros
longest2143 90
shortest16 13

Bandwidths Profile Storage
lower4840 upper4840
average |i-j|2.4e+02 std.dev.3.4e+02
minmaxave.std.dev.
lower bandwidth0 4839 3.8e+02 4.4e+02
upper bandwidth0 4839 3.8e+02 4.4e+02

Symmetric skyline storage requirement:6368911

Heaviest diagonals
offset from main0 -1 1 -2 2 -3 3 -4 4 -294
nonzeros16614 15374 15374 15153 15153 13997 13997 8346 8346 7618
accumulated percent 1.52 2.93 4.34 5.73 7.12 8.40 9.6810.4511.2111.91

Top 10 out of 5525 nonvoid diagonals.
Conditioning
Frobenius norm3.6e+09 condition number (est.)Not available.
2-norm (est.)5.6e+08 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: ]