Matrix FIDAP032

FIDAP032: 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: fidap032.mtx.gz (52500 bytes)
Right-hand-side in MatrixMarket array format: fidap032_rhs1.mtx.gz (534 bytes)

Compressed Harwell-Boeing format file: fidap032.rua.gz (47605 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 ] 259497 bytes

Size Type

1159 x 1159, 11343 entries real unsymmetric

Nonzeros

total diagonal below diagonal above diagonal A-A'
11047 863 5092 5092 0

Column Data Row Data

Average nonzeros per column : 9.5
Standard deviation : 2.7
index nonzeros
longest 22 13
shortest 26 2
Average nonzeros per row : 9.5
Standard deviation : 2.7
index nonzeros
longest 22 13
shortest 26 2

Bandwidths Profile Storage

lower 70 upper 70
average |i-j| 23 std.dev. 18

min max ave. std.dev.
lower bandwidth 0 69 39 9.1
upper bandwidth 0 69 39 9.1
Symmetric skyline storage requirement:45926

Heaviest diagonals

offset from main 0 -4 4 -39 39 -35 35 -43 43 -2
nonzeros 863 657 657 626 626 567 567 533 533 528
accumulated percent 7.81 13.76 19.71 25.37 31.04 36.17 41.31 46.13 50.96 55.73

Top 10 out of 113 nonvoid diagonals.

Conditioning

Frobenius norm 3e+02 condition number (est.) 5.24e+20
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 13:34:02 US/Eastern 2004 [Comments: ]