Matrix FIDAP024

FIDAP024: 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: fidap024.mtx.gz (417487 bytes)
Right-hand-side in MatrixMarket array format: fidap024_rhs1.mtx.gz (6270 bytes)

Compressed Harwell-Boeing format file: fidap024.rua.gz (356481 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

2283 x 2283, 48733 entries real unsymmetric

Nonzeros

total diagonal below diagonal above diagonal A-A'
47897 1635 23120 23142 6556

Column Data Row Data

Average nonzeros per column : 21
Standard deviation : 8.6
index nonzeros
longest 507 46
shortest 522 8
Average nonzeros per row : 21
Standard deviation : 8.6
index nonzeros
longest 507 46
shortest 522 8

Bandwidths Profile Storage

lower 168 upper 168
average |i-j| 45 std.dev. 45

min max ave. std.dev.
lower bandwidth 0 167 72 50
upper bandwidth 0 167 72 50
Nonsymmetric skyline storage 324237

Heaviest diagonals

offset from main -2 2 0 -4 4 3 -3 -5 5 1
nonzeros 1922 1922 1635 1165 1159 1146 1141 782 782 769
accumulated percent 4.01 8.03 11.44 13.87 16.29 18.68 21.07 22.70 24.33 25.94

Top 10 out of 231 nonvoid diagonals.

Conditioning

Frobenius norm 7.2e+02 condition number (est.) 5.25e+05
2-norm (est.) 89 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: ]