Matrix TUB1000

TUB1000: Tubular Reactor Model

from set TUBULAR, from the NEP Collection

[Download] [Visualizations] [Matrix Statistics] [Set Information]

Download as

Compressed MatrixMarket format file: tub1000.mtx.gz (25480 bytes)

Compressed Harwell-Boeing format file: tub1000.rua.gz (18613 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 ] 455161 bytes

Size Type

1000 x 1000, 3996 entries real unsymmetric

Nonzeros

total diagonal below diagonal above diagonal A-A'
3996 1000 1498 1498 2996

Column Data Row Data

Average nonzeros per column : 4
Standard deviation : 0.063
index nonzeros
longest 3 4
shortest 1 3
Average nonzeros per row : 4
Standard deviation : 0.063
index nonzeros
longest 3 4
shortest 1 3

Bandwidths Profile Storage

lower 3 upper 3
average |i-j| 1.2 std.dev. 0.83

min max ave. std.dev.
lower bandwidth 0 2 2 0.071
upper bandwidth 0 2 2 0.071
Symmetric skyline storage requirement:2994

Heaviest diagonals

offset from main 0 -2 2 -1 1
nonzeros 1000 998 998 500 500
accumulated percent 25.03 50.00 74.97 87.49 100.00

Top 5 out of 5 nonvoid diagonals.

Conditioning

Frobenius norm 3.9e+06 condition number (est.) 2.3e+06
2-norm (est.) 2e+05 diagonal dominance no

Set Information

Set TUBULAR
Source:	K. Meerbergen and D. Roose, Katholieke Universiteit Leuven, Belgium
Discipline:	Computational fluid dynamics

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 13:37:28 US/Eastern 2004 [Comments: ]