Matrix FIDAPM07

FIDAPM07: 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: fidapm07.mtx.gz (325161 bytes)
Right-hand-side in MatrixMarket array format: fidapm07_rhs1.mtx.gz (3429 bytes)

Compressed Harwell-Boeing format file: fidapm07.rua.gz (262312 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

2065 x 2065, 53533 entries real unsymmetric

Nonzeros

total diagonal below diagonal above diagonal A-A'
45184 1633 21540 22011 15834

Column Data Row Data

Average nonzeros per column : 22
Standard deviation : 10
index nonzeros
longest 314 50
shortest 3 5
Average nonzeros per row : 22
Standard deviation : 13
index nonzeros
longest 313 62
shortest 26 5

Bandwidths Profile Storage

lower 346 upper 346
average |i-j| 85 std.dev. 92

min max ave. std.dev.
lower bandwidth 0 345 82 93
upper bandwidth 0 345 83 93
Nonsymmetric skyline storage 338715

Heaviest diagonals

offset from main 0 -3 3 -6 6 -9 9 4 -2 12
nonzeros 1633 1542 1510 1218 1198 1077 1068 923 864 750
accumulated percent 3.61 7.03 10.37 13.06 15.72 18.10 20.46 22.51 24.42 26.08

Top 10 out of 662 nonvoid diagonals.

Conditioning

Frobenius norm 2.5e+02 condition number (est.) 6.75e+19
2-norm (est.) 22 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 13:34:03 US/Eastern 2004 [Comments: ]