File:StiffEquationNumericalSolvers.svg

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

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Summary[edit]

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[edit]

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[edit]

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]].

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)Gknor (talk | contribs){{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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