Matrix FIDAPM08

FIDAPM08: 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: fidapm08.mtx.gz (656648 bytes)
Right-hand-side in MatrixMarket array format: fidapm08_rhs1.mtx.gz (490 bytes)

Compressed Harwell-Boeing format file: fidapm08.rua.gz (513311 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

3876 x 3876, 103076 entries real unsymmetric

Nonzeros

total diagonal below diagonal above diagonal A-A'
86793 3096 41274 42423 65318

Column Data Row Data

Average nonzeros per column : 22
Standard deviation : 10
index nonzeros
longest 274 50
shortest 23 7
Average nonzeros per row : 22
Standard deviation : 13
index nonzeros
longest 273 62
shortest 110 4

Bandwidths Profile Storage

lower 157 upper 158
average |i-j| 68 std.dev. 48

min max ave. std.dev.
lower bandwidth 0 156 1.1e+02 39
upper bandwidth 0 157 1.1e+02 39
Nonsymmetric skyline storage 815299

Heaviest diagonals

offset from main 3 -3 0 -6 6 -2 4 -74 -71 -77
nonzeros 3130 3129 3096 1852 1851 1688 1581 1477 1476 1474
accumulated percent 3.61 7.21 10.78 12.91 15.04 16.99 18.81 20.51 22.21 23.91

Top 10 out of 275 nonvoid diagonals.

Conditioning

Frobenius norm 9.1e+02 condition number (est.) 5.66e+05
2-norm (est.) 48 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: ]