Matrix FIDAPM13

FIDAPM13: 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: fidapm13.mtx.gz (708004 bytes)
Right-hand-side in MatrixMarket array format: fidapm13_rhs1.mtx.gz (520 bytes)

Compressed Harwell-Boeing format file: fidapm13.rua.gz (599983 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

3549 x 3549, 71975 entries real unsymmetric

Nonzeros

total diagonal below diagonal above diagonal A-A'
70994 2568 34213 34213 2

Column Data Row Data

Average nonzeros per column : 20
Standard deviation : 7.8
index nonzeros
longest 116 37
shortest 2790 7
Average nonzeros per row : 20
Standard deviation : 7.8
index nonzeros
longest 116 37
shortest 2790 7

Bandwidths Profile Storage

lower 226 upper 226
average |i-j| 51 std.dev. 59

min max ave. std.dev.
lower bandwidth 0 225 51 59
upper bandwidth 0 225 51 59
Symmetric skyline storage requirement:361373

Heaviest diagonals

offset from main -2 2 0 -4 4 -6 6 -7 7 -5
nonzeros 2954 2954 2568 2298 2298 1799 1799 1748 1748 1690
accumulated percent 4.16 8.32 11.94 15.18 18.41 20.95 23.48 25.94 28.41 30.79

Top 10 out of 443 nonvoid diagonals.

Conditioning

Frobenius norm 32 condition number (est.) 2.20e+06
2-norm (est.) 4.6 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: ]