File:Travelling wave for Fisher equation.svg

Original file ‎(SVG file, nominally 512 × 383 pixels, file size: 8 KB)

Summary

Description Plot of the function This is a travelling wave solution for Fisher's equation.
Date (UTC)
Source Own work, created using Matlab
Author Jitse Niesen
Permission
(Reusing this file)
PD (see below)

Matlab source

clf;
xs = linspace(-20,20);
vstar = (1+exp(-xs/sqrt(6))).^(-2);
plot(-xs,vstar,'r', 'Linewidth', 3);
set(gca, 'FontSize', 15);
box off;
xlabel('x');
ylabel('u');
hold on;
plot([1 5], [.5 .5], 'k', 'Linewidth', 1.5);
plot([5 4], [.5 .52], 'k', 'Linewidth', 1.5);
plot([5 4], [.5 .48], 'k', 'Linewidth', 1.5);
hold off;
plot2svg('fishertw.svg');

Licensing

Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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author name string: Jitse Niesen
URL: https://commons.wikimedia.org/wiki/user:Jitse_Niesen
Wikimedia username: Jitse Niesen

copyright status

copyrighted, dedicated to the public domain by copyright holder

copyright license

released into the public domain by the copyright holder

inception

10 April 2007

File history

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Date/TimeThumbnailDimensionsUserComment
current13:21, 10 April 2007512 × 383 (8 KB)Jitse Niesen{{Information |Description=Plot of the function <math> f(x) = (1+exp(-x/\sqrt{6}))^{-2}) </math>. This is a travelling wave solution for en:Fisher's equation. |Source=Own work, created using Matlab |Date=~~~~~ |Author=[[User:Jitse Niesen|Jitse Niesen
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    • Partielle Differentialgleichung
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    • משוואות דיפרנציאליות חלקיות/בעיה מוצגת היטב
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    • User:Schenad/反应-扩散系统

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