DWT 234: Everstine's collection
Tower with platform

from set DWT, from the Harwell-Boeing Collection

The finite element model that generated this matrix contains 234 nodes and 300 beam elements. The model is shown below. Beam and rod elements are drawn as tubes.

[detailed view]
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Download as

Compressed MatrixMarket format file: dwt__234.mtx.gz (1334 bytes)
Compressed Harwell-Boeing format file: dwt__234.psa.gz (1431 bytes)

Visualizations

Click on image to get an enlarged version. Click on label to get an explanation.

Structure Plot

Matrix Statistics

Size	Type
234 x 234, 834 entries	pattern symmetric indefinite
Nonzeros
total diagonal below diagonal above diagonal A-A' 834 234 300 300 0
Column Data	Row Data
Average nonzeros per column : 3.6 Standard deviation : 1.5 index nonzeros longest 69 10 shortest 1 2	Average nonzeros per row : 3.6 Standard deviation : 1.5 index nonzeros longest 69 10 shortest 1 2
Bandwidths	Profile Storage
lower 49 upper 49 average |i-j| 5.2 std.dev. 8.3	min max ave. std.dev. lower bandwidth 1 49 8.5 9.5 upper bandwidth 1 49 8.5 9.5 Symmetric skyline storage requirement:1999
Heaviest diagonals
offset from main 0 -1 1 -4 4 -6 6 -9 9 -11 nonzeros 234 126 126 33 33 29 29 17 17 13 accumulated percent 28.06 43.17 58.27 62.23 66.19 69.66 73.14 75.18 77.22 78.78 Top 10 out of 79 nonvoid diagonals.
Conditioning
Pattern matrix. No conditioning information.

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Last change in this page: Wed Sep 22 13:33:34 US/Eastern 2004 [Comments: ]