Matrix TOLS90

TOLS90: Tolosa Matrix

generated by MVMTLS, from the NEP Collection

[Download] [Visualizations] [Matrix Statistics] [Generator Information]

Download as

Compressed MatrixMarket format file: tols90.mtx.gz (14057 bytes)

Compressed Harwell-Boeing format file: tols90.rua.gz (10805 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 ] 201761 bytes

Size Type

90 x 90, 1746 entries real unsymmetric

Nonzeros

total diagonal below diagonal above diagonal A-A'
1746 72 531 1143 2898

Column Data Row Data

Average nonzeros per column : 19
Standard deviation : 1.4
index nonzeros
longest 19 22
shortest 1 18
Average nonzeros per row : 19
Standard deviation : 35
index nonzeros
longest 19 90
shortest 1 1

Bandwidths Profile Storage

lower 55 upper 72
average |i-j| 26 std.dev. 18

min max ave. std.dev.
lower bandwidth 0 54 27 18
upper bandwidth 0 71 30 22
Nonsymmetric skyline storage 5058

Heaviest diagonals

offset from main 0 -18 18 -54 -36 -17 -16 -15 -14 -13
nonzeros 72 36 36 18 18 18 18 18 18 18
accumulated percent 4.12 6.19 8.25 9.28 10.31 11.34 12.37 13.40 14.43 15.46

Top 10 out of 109 nonvoid diagonals.

Conditioning

Frobenius norm 4e+04 condition number (est.) 2.5e+04
2-norm (est.) 2e+04 diagonal dominance no

Generator Information

Generator MVMTLS
Source:	S. Godet-Thobie, CERFACS and C. Bès, Aerospatiale, France
Discipline:	Aeroelasticity

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 13:37:32 US/Eastern 2004 [Comments: ]