Matrix FIDAP013

FIDAP013: Matrices generated by the FIDAP Package

from set FIDAP, from the SPARSKIT Collection

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

Download as

Compressed MatrixMarket format file: fidap013.mtx.gz (776432 bytes)
Right-hand-side in MatrixMarket array format: fidap013_rhs1.mtx.gz (460 bytes)

Compressed Harwell-Boeing format file: fidap013.rua.gz (634944 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

Size Type

2568 x 2568, 75628 entries real unsymmetric

Nonzeros

total diagonal below diagonal above diagonal A-A'
75628 2568 36530 36530 0

Column Data Row Data

Average nonzeros per column : 29
Standard deviation : 11
index nonzeros
longest 83 50
shortest 2005 10
Average nonzeros per row : 29
Standard deviation : 11
index nonzeros
longest 83 50
shortest 2005 10

Bandwidths Profile Storage

lower 166 upper 166
average |i-j| 43 std.dev. 44

min max ave. std.dev.
lower bandwidth 0 165 50 45
upper bandwidth 0 165 50 45
Symmetric skyline storage requirement:129702

Heaviest diagonals

offset from main 0 -1 1 -2 2 -3 3 -4 4 -5
nonzeros 2568 2466 2466 2364 2364 2015 2015 1672 1672 1576
accumulated percent 3.40 6.66 9.92 13.04 16.17 18.83 21.50 23.71 25.92 28.00

Top 10 out of 331 nonvoid diagonals.

Conditioning

Frobenius norm 5.1e+10 condition number (est.) 3.94e+15
2-norm (est.) 1.3e+10 diagonal dominance no

Set Information

Set FIDAP
Source:	Isaac Hasbani (Fluid Dynamics International) Barry Rackner (Minnesota Supercomputer Center)
Discipline:	Finite element modeling

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 13:34:01 US/Eastern 2004 [Comments: ]