DWT 992: Everstine's collection
Mirror

from set DWT, from the Harwell-Boeing Collection

The finite element model that generated this matrix contains 992 nodes and 450 solid elements. The model is shown below. Plate and solid elements are outlined in black.

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Download as

Compressed MatrixMarket format file: dwt__992.mtx.gz (17782 bytes)
Compressed Harwell-Boeing format file: dwt__992.psa.gz (11832 bytes)

Visualizations

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

Structure Plot

Matrix Statistics

Size	Type
992 x 992, 16744 entries	pattern symmetric indefinite
Nonzeros
total diagonal below diagonal above diagonal A-A' 16744 992 7876 7876 0
Column Data	Row Data
Average nonzeros per column : 17 Standard deviation : 2.4 index nonzeros longest 18 18 shortest 1 8	Average nonzeros per row : 17 Standard deviation : 2.4 index nonzeros longest 18 18 shortest 1 8
Bandwidths	Profile Storage
lower 514 upper 514 average |i-j| 2.5e+02 std.dev. 2.4e+02	min max ave. std.dev. lower bandwidth 1 514 2.7e+02 2.5e+02 upper bandwidth 1 514 2.7e+02 2.5e+02 Symmetric skyline storage requirement:263298
Heaviest diagonals
offset from main 0 -16 16 -1 1 -17 -15 15 17 -496 nonzeros 992 960 960 930 930 900 900 900 900 496 accumulated percent 5.92 11.66 17.39 22.95 28.50 33.87 39.25 44.62 50.00 52.96 Top 10 out of 27 nonvoid diagonals.
Conditioning
Pattern matrix. No conditioning information.

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Last change in this page: Wed Sep 22 13:33:35 US/Eastern 2004 [Comments: ]