Matrix FIDAP010

FIDAP010: 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: fidap010.mtx.gz (462311 bytes)
Right-hand-side in MatrixMarket array format: fidap010_rhs1.mtx.gz (2253 bytes)

Compressed Harwell-Boeing format file: fidap010.rua.gz (372413 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

2410 x 2410, 54816 entries real unsymmetric

Nonzeros

total diagonal below diagonal above diagonal A-A'
54816 2410 26203 26203 0

Column Data Row Data

Average nonzeros per column : 23
Standard deviation : 11
index nonzeros
longest 170 50
shortest 1 6
Average nonzeros per row : 23
Standard deviation : 11
index nonzeros
longest 170 50
shortest 1 6

Bandwidths Profile Storage

lower 114 upper 114
average |i-j| 47 std.dev. 35

min max ave. std.dev.
lower bandwidth 0 113 71 32
upper bandwidth 0 113 71 32
Symmetric skyline storage requirement:173366

Heaviest diagonals

offset from main 0 -3 3 -53 53 -50 50 -56 56 -6
nonzeros 2410 2166 2166 1873 1873 1776 1776 1729 1729 926
accumulated percent 4.40 8.35 12.30 15.72 19.13 22.37 25.61 28.77 31.92 33.61

Top 10 out of 185 nonvoid diagonals.

Conditioning

Frobenius norm 2.2e+08 condition number (est.) 2.06e+12
2-norm (est.) 7e+07 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 13:34:01 US/Eastern 2004 [Comments: ]