Matrix FIDAP006

FIDAP006: 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: fidap006.mtx.gz (410889 bytes)
Right-hand-side in MatrixMarket array format: fidap006_rhs1.mtx.gz (1425 bytes)

Compressed Harwell-Boeing format file: fidap006.rua.gz (308246 bytes)

Help: My browser can't read the compressed data files. What now?

Visualizations

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

Structure Plot	City Plot

Size Type

1651 x 1651, 49479 entries real unsymmetric

Nonzeros

total diagonal below diagonal above diagonal A-A'
48968 1180 23899 23889 1148

Column Data Row Data

Average nonzeros per column : 30
Standard deviation : 15
index nonzeros
longest 131 62
shortest 1635 2
Average nonzeros per row : 30
Standard deviation : 15
index nonzeros
longest 131 62
shortest 744 3

Bandwidths Profile Storage

lower 87 upper 87
average |i-j| 36 std.dev. 26

min max ave. std.dev.
lower bandwidth 0 86 56 21
upper bandwidth 0 86 56 21
Nonsymmetric skyline storage 182161

Heaviest diagonals

offset from main -2 2 -1 1 -3 3 0 -4 4 -40
nonzeros 1368 1359 1273 1272 1211 1211 1180 922 922 651
accumulated percent 2.79 5.57 8.17 10.77 13.24 15.71 18.12 20.00 21.89 23.22

Top 10 out of 147 nonvoid diagonals.

Conditioning

Frobenius norm 1.8e+03 condition number (est.) 3.45e+21
2-norm (est.) 4.5e+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.

[ Home ] [ Search ] [ Browse ] [ Resources ]

Last change in this page: Wed Sep 22 13:34:01 US/Eastern 2004 [Comments: ]