Matrix FIDAP036

FIDAP036: Matrices generated by the FIDAP Package

from set FIDAP, from the SPARSKIT Collection

[Download] [Visualizations] [Matrix Statistics] [Set Information]

Download as

Compressed MatrixMarket format file: fidap036.mtx.gz (333672 bytes)
Right-hand-side in MatrixMarket array format: fidap036_rhs1.mtx.gz (4535 bytes)

Compressed Harwell-Boeing format file: fidap036.rua.gz (265167 bytes)

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Visualizations

Click on image to get an enlarged version. Click on label to get an explanation.

Structure Plot	City Plot

Size Type

3079 x 3079, 53851 entries real unsymmetric

Nonzeros

total diagonal below diagonal above diagonal A-A'
53107 2575 25185 25347 480

Column Data Row Data

Average nonzeros per column : 17
Standard deviation : 7.4
index nonzeros
longest 237 37
shortest 2 6
Average nonzeros per row : 17
Standard deviation : 7.4
index nonzeros
longest 237 37
shortest 29 4

Bandwidths Profile Storage

lower 165 upper 165
average |i-j| 59 std.dev. 54

min max ave. std.dev.
lower bandwidth 0 164 71 56
upper bandwidth 0 164 71 56
Nonsymmetric skyline storage 437041

Heaviest diagonals

offset from main 0 4 -4 -11 11 -15 15 -8 8 -7
nonzeros 2575 2123 2110 1077 1077 1064 1064 927 927 917
accumulated percent 4.85 8.85 12.82 14.85 16.88 18.88 20.88 22.63 24.37 26.10

Top 10 out of 303 nonvoid diagonals.

Conditioning

Frobenius norm 3.2e+03 condition number (est.) 2.17e+06
2-norm (est.) 2.6e+02 diagonal dominance no

Set Information

Set FIDAP
Source:	Isaac Hasbani (Fluid Dynamics International) Barry Rackner (Minnesota Supercomputer Center)
Discipline:	Finite element modeling

The Matrix Market is a service of the Mathematical and Computational Sciences Division / Information Technology Laboratory / National Institute of Standards and Technology.

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Last change in this page: Wed Sep 22 13:34:02 US/Eastern 2004 [Comments: ]