Matrix FIDAPM33

FIDAPM33: 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: fidapm33.mtx.gz (104674 bytes)
Right-hand-side in MatrixMarket array format: fidapm33_rhs1.mtx.gz (532 bytes)

Compressed Harwell-Boeing format file: fidapm33.rua.gz (75686 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 ] 536281 bytes

Size Type

2353 x 2353, 23765 entries real unsymmetric

Nonzeros

total diagonal below diagonal above diagonal A-A'
23145 1733 10706 10706 0

Column Data Row Data

Average nonzeros per column : 9.8
Standard deviation : 2.7
index nonzeros
longest 121 13
shortest 45 2
Average nonzeros per row : 9.8
Standard deviation : 2.7
index nonzeros
longest 121 13
shortest 45 2

Bandwidths Profile Storage

lower 212 upper 212
average |i-j| 62 std.dev. 62

min max ave. std.dev.
lower bandwidth 0 211 78 63
upper bandwidth 0 211 78 63
Symmetric skyline storage requirement:185920

Heaviest diagonals

offset from main 0 -4 4 -2 2 -1 1 -3 3 -76
nonzeros 1733 1476 1476 958 958 584 584 394 394 303
accumulated percent 7.49 13.86 20.24 24.38 28.52 31.04 33.57 35.27 36.97 38.28

Top 10 out of 413 nonvoid diagonals.

Conditioning

Frobenius norm 4.9e+02 condition number (est.) 1.16e+12
2-norm (est.) 1.2e+02 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 13:34:03 US/Eastern 2004 [Comments: ]