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Arrowhead

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4.9 | 12 ratings Rate this file 50 Downloads (last 30 days) File Size: 4.4 KB File ID: #4538
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Arrowhead

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25 Feb 2004 (Updated )

arrowh draws a solid 2D arrow head into the current plot.

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Description

This little program allows you to draw a solid arrow head (a triangle) into the current plot to indicate a direction on a line.

I wrote this little program mainely for use in phase plane plots (screenshot), when you want to indicate what direction a trajectory is run throught.

The m-file contains a detailed help.

Acknowledgements

This file inspired Mimo Toolbox, Simple Pendulum, and Spring Pendulum.

MATLAB release MATLAB 7 (R14)
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Comments and Ratings (14)
10 Sep 2013 Florian Knorn

@Miguel - sorry I can't. But it's quite easy, I just plotted the analytical solution of a 2D ODE with complex eigenvalues using initial conditions placed on a circle...

10 Sep 2013 Miguel Combariza

Hi Florian,
Could you please upload the code that you used to generate the phase portrait in your screenshot?
Cheers, Miguel

05 Mar 2013 Joao

Easy instructions, works just fine.

26 Feb 2013 Pierce Brady

Excellent,
Could do with some more information regarding its use.

14 Jan 2013 HIT

thx

15 Jul 2011 Tom

cool beans!

07 Apr 2010 cuh2o ?  
02 Sep 2008 yehua wei

it is useful

08 Feb 2008 D G

Great and useful. Nice work.

15 Aug 2005 Mircea Hossu

Matlab should include this useful function. Thanks!

15 Apr 2004 frank behrends

good work !

09 Mar 2004 benyuan liu

nice!

08 Mar 2004 Micheal Heard

nice little prog, was always looking for one doing just that.

does what it says.

08 Mar 2004 Micheal Heard

nice little prog, was always looking for one doing just that.

does what it says.

Updates
01 Mar 2004

minors changements in the file-description and the comments of the prog;
functionality untouched

28 Oct 2004

added the possibility to have several arrowheads drawn at once by giving a *vector* with the wanted locations for the LOCATION paramater

31 Mar 2005

i forgot to remove a silly debugging line which kept the size-argument from being taken into account...
thanks to Jeroen Hogema who mailed me about this issue

01 Dec 2005

Fix a bug pointed out by Kesh Ikum

05 May 2006

Added functionality to change the width of the arrowhead, and fixed some mlint suggestions

19 May 2006

update:

1.13 - Allow for non-solid arrow heads
1.12 - Return handle(s) of created patches

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