Matrix FIDAP022

FIDAP022: 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: fidap022.mtx.gz (175899 bytes)
Right-hand-side in MatrixMarket array format: fidap022_rhs1.mtx.gz (2211 bytes)

Compressed Harwell-Boeing format file: fidap022.rua.gz (141564 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 ] 597953 bytes

Size Type

839 x 839, 22613 entries real unsymmetric

Nonzeros

total diagonal below diagonal above diagonal A-A'
22352 593 10880 10879 2492

Column Data Row Data

Average nonzeros per column : 27
Standard deviation : 14
index nonzeros
longest 250 62
shortest 31 7
Average nonzeros per row : 27
Standard deviation : 14
index nonzeros
longest 250 62
shortest 31 7

Bandwidths Profile Storage

lower 125 upper 125
average |i-j| 19 std.dev. 14

min max ave. std.dev.
lower bandwidth 0 124 30 15
upper bandwidth 0 124 30 15
Nonsymmetric skyline storage 49035

Heaviest diagonals

offset from main -2 2 -1 1 0 3 -3 -19 19 -20
nonzeros 644 644 609 609 593 553 552 440 440 439
accumulated percent 2.88 5.76 8.49 11.21 13.86 16.34 18.81 20.78 22.75 24.71

Top 10 out of 169 nonvoid diagonals.

Conditioning

Frobenius norm 57 condition number (est.) 6.2e+04
2-norm (est.) 15 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: ]