Matrix FIDAP037

FIDAP037: 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: fidap037.mtx.gz (653685 bytes)
Right-hand-side in MatrixMarket array format: fidap037_rhs1.mtx.gz (19427 bytes)

Compressed Harwell-Boeing format file: fidap037.rua.gz (565180 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

3565 x 3565, 67591 entries real unsymmetric

Nonzeros

total diagonal below diagonal above diagonal A-A'
67591 3565 32013 32013 2966

Column Data Row Data

Average nonzeros per column : 19
Standard deviation : 20
index nonzeros
longest 661 85
shortest 1 1
Average nonzeros per row : 19
Standard deviation : 20
index nonzeros
longest 661 85
shortest 1 1

Bandwidths Profile Storage

lower 502 upper 502
average |i-j| 1.6e+02 std.dev. 1.7e+02

min max ave. std.dev.
lower bandwidth 0 501 98 1.6e+02
upper bandwidth 0 501 98 1.6e+02
Symmetric skyline storage requirement:697705

Heaviest diagonals

offset from main 0 -2 2 -3 3 -4 4 -1 1 -6
nonzeros 3565 987 987 890 890 883 883 880 880 845
accumulated percent 5.27 6.73 8.19 9.51 10.83 12.13 13.44 14.74 16.05 17.30

Top 10 out of 999 nonvoid diagonals.

Conditioning

Frobenius norm 1.5e+03 condition number (est.) 2.26e+02
2-norm (est.) 1.8e+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 13:34:02 US/Eastern 2004 [Comments: ]