File:StiffEquationNumericalSolvers.svg

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Original file(SVG file, nominally 554 × 215 pixels, file size: 15 KB)

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Summary

Description StiffEquationNumericalSolvers
Date 15 March 2007 (original upload date)
Source I made this using Gnuplot.
Author Berland at en.wikipedia
SVG development
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The SVG code is valid.
 
This chart was created with Gnuplot.
 
This chart uses translateable embedded text.
Source code
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Gnuplot code

set term svg 
set output 'stiff.svg'
set xrange [0:1]
set yrange [-3:3]
set size 1,0.5
plot 'h14' u 1:2 w lp pt 4 t 'Euler h=1/4', 'h18' u 1:2 w lp pt 4 t 'Euler h=1/8', 'h18adam' u 1:2 w lp pt 4 t 'Adams Moulton, h=1/8', exp(-15*x) lw 3 t 'Exact solution' on the data files (numbers copied fromprevious versions of the article on [http://en.wikipedia.org/w/index.php?title=Stiff_equation&oldid=94183079 Stiff equation])
#h14 (forward Euler, h=1/4)
0 1
0.25 -2.75
0.5 7.5625
0.75 -20.7969
#h18 (forward Euler, h=1/8)
0 1
0.125 -0.875
0.25 0.765625
0.375 -0.669922
0.5 0.586182
0.625 -0.512909
0.75 0.448795

#h18adam
0 1
0.125 0.0322581
0.25 0.00104058
0.375 0.00003356720

Licensing

Public domain This work has been released into the public domain by its author, Berland at English Wikipedia. This applies worldwide.
In some countries this may not be legally possible; if so:
Berland grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

Original upload log

The original description page was here. All following user names refer to en.wikipedia.
  • 2007-03-15 14:24 Berland 554×215 (15345 bytes) [[User:Berland|I]] made this using [[Gnuplot]].

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File history

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Date/TimeThumbnailDimensionsUserComment
current14:27, 28 February 2011Thumbnail for version as of 14:27, 28 February 2011554 × 215 (15 KB)wikimediacommons>Gknor{{Information |Description=Explicit numerical methods experiencing instability on a stiff equation |Source= http://en.wikipedia.org/wiki/File:StiffEquationNumericalSolvers.svg |Date= |Author= Berland |Permission= |other_versions= }} [[Category:Numerical a

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