DWT 1007: Everstine's collection

from set DWT, from the Harwell-Boeing Collection

The finite element model that generated this matrix contains 1007 nodes, 27 triangular axisymmetric elements, and 917 quadrilateral axisymmetric 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_1007.mtx.gz (8260 bytes)
Compressed Harwell-Boeing format file: dwt_1007.psa.gz (7387 bytes)

Visualizations

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

Structure Plot

Matrix Statistics

Size	Type
1007 x 1007, 8575 entries	pattern symmetric indefinite
Nonzeros
total diagonal below diagonal above diagonal A-A' 8575 1007 3784 3784 0
Column Data	Row Data
Average nonzeros per column : 8.5 Standard deviation : 1.2 index nonzeros longest 35 10 shortest 26 3	Average nonzeros per row : 8.5 Standard deviation : 1.2 index nonzeros longest 35 10 shortest 26 3
Bandwidths	Profile Storage
lower 987 upper 987 average |i-j| 18 std.dev. 59	min max ave. std.dev. lower bandwidth 1 987 27 61 upper bandwidth 1 987 27 61 Symmetric skyline storage requirement:26793
Heaviest diagonals
offset from main 0 -1 1 -19 19 -18 18 -20 20 -26 nonzeros 1007 944 944 550 550 535 535 526 526 210 accumulated percent 11.74 22.75 33.76 40.17 46.59 52.83 59.07 65.20 71.34 73.78 Top 10 out of 93 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: ]