Matrix FIDAPM02

FIDAPM02: 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: fidapm02.mtx.gz (103490 bytes)
Right-hand-side in MatrixMarket array format: fidapm02_rhs1.mtx.gz (663 bytes)

Compressed Harwell-Boeing format file: fidapm02.rua.gz (79819 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

	3D Interactive City Plot
	[ VRML Version 2, gzipped ] 466737 bytes

Size Type

537 x 537, 19241 entries real unsymmetric

Nonzeros

total diagonal below diagonal above diagonal A-A'
19145 441 9352 9352 0

Column Data Row Data

Average nonzeros per column : 36
Standard deviation : 19
index nonzeros
longest 118 91
shortest 74 7
Average nonzeros per row : 36
Standard deviation : 19
index nonzeros
longest 118 91
shortest 74 7

Bandwidths Profile Storage

lower 158 upper 158
average |i-j| 40 std.dev. 38

min max ave. std.dev.
lower bandwidth 0 157 48 41
upper bandwidth 0 157 48 41
Symmetric skyline storage requirement:26529

Heaviest diagonals

offset from main 0 -5 5 -4 4 -9 9 -10 10 -6
nonzeros 441 420 420 311 311 283 283 264 264 247
accumulated percent 2.30 4.50 6.69 8.32 9.94 11.42 12.90 14.28 15.65 16.94

Top 10 out of 313 nonvoid diagonals.

Conditioning

Frobenius norm 54 condition number (est.) 1.4e+05
2-norm (est.) 6.8 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 13:34:02 US/Eastern 2004 [Comments: ]