Matrix FIDAP033

FIDAP033: 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: fidap033.mtx.gz (95780 bytes)
Right-hand-side in MatrixMarket array format: fidap033_rhs1.mtx.gz (492 bytes)

Compressed Harwell-Boeing format file: fidap033.rua.gz (62089 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 ] 467035 bytes

Size Type

1733 x 1733, 20315 entries real unsymmetric

Nonzeros

total diagonal below diagonal above diagonal A-A'
20315 1733 9291 9291 0

Column Data Row Data

Average nonzeros per column : 12
Standard deviation : 3.5
index nonzeros
longest 89 18
shortest 1 4
Average nonzeros per row : 12
Standard deviation : 3.5
index nonzeros
longest 89 18
shortest 1 4

Bandwidths Profile Storage

lower 158 upper 158
average |i-j| 53 std.dev. 47

min max ave. std.dev.
lower bandwidth 0 157 73 42
upper bandwidth 0 157 73 42
Symmetric skyline storage requirement:127609

Heaviest diagonals

offset from main 0 -3 3 -56 56 -28 28 -59 59 -53
nonzeros 1733 1466 1466 313 313 287 287 283 283 280
accumulated percent 8.53 15.75 22.96 24.50 26.04 27.46 28.87 30.26 31.66 33.03

Top 10 out of 305 nonvoid diagonals.

Conditioning

Frobenius norm 2.4e+11 condition number (est.) 1.20e+13
2-norm (est.) 1.2e+11 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 13:34:02 US/Eastern 2004 [Comments: ]