Matrix FIDAP029

FIDAP029: 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: fidap029.mtx.gz (210684 bytes)
Right-hand-side in MatrixMarket array format: fidap029_rhs1.mtx.gz (24899 bytes)

Compressed Harwell-Boeing format file: fidap029.rua.gz (232787 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

	3D Interactive City Plot
	[ VRML Version 2, gzipped ] 675230 bytes

Size Type

2870 x 2870, 23754 entries real unsymmetric

Nonzeros

total diagonal below diagonal above diagonal A-A'
23754 2870 10442 10442 76

Column Data Row Data

Average nonzeros per column : 8.3
Standard deviation : 2
index nonzeros
longest 85 9
shortest 1 1
Average nonzeros per row : 8.3
Standard deviation : 2
index nonzeros
longest 85 9
shortest 1 1

Bandwidths Profile Storage

lower 43 upper 43
average |i-j| 27 std.dev. 19

min max ave. std.dev.
lower bandwidth 0 42 39 11
upper bandwidth 0 42 39 11
Symmetric skyline storage requirement:219838

Heaviest diagonals

offset from main 0 -41 41 -1 1 -42 -40 40 42
nonzeros 2870 2652 2652 2622 2622 2584 2584 2584 2584
accumulated percent 12.08 23.25 34.41 45.45 56.49 67.37 78.24 89.12 100.00

Top 9 out of 9 nonvoid diagonals.

Conditioning

Frobenius norm 13 condition number (est.) 8.85e+02
2-norm (est.) 1 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: ]