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implot2.m

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5.0 | 1 rating Rate this file 13 Downloads (last 30 days) File Size: 2.72 KB File ID: #23548
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implot2.m

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04 Apr 2009 (Updated )

A function to plot implicit functions of two variables.

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Description

IMPLOT2 may be used to plot implicit functions of exactly two variables.

It uses a similar approach to IMPLOT (by Arthur Jutan), but extends the capabilities of IMPLOT to allow the specification of one or more lineseries properties: e.g. line width, line color, line style etc. It can also return a matrix containing all plotted datapoints, with contiguous line segments clearly demarcated.

Note that IMPLOT2 obtains isocontours for f(x,y)=0 via a fairly crude approach, viz. using the low-level CONTOURC function. Thus it is not ideal for applications where high levels of accuracy are required.

Acknowledgements

Implot.M inspired this file.

MATLAB release MATLAB 7 (R14)
Other requirements Not tested with versions earlier than MATLAB 7. One might need to tweak some of the cell-array code to make implot2 compatibile with earlier versions of MATLAB.
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Comments and Ratings (1)
20 May 2009 L3munoz

Really a very good job. It helped me a lot, furthermore with the new application returning a matrix with all the datapoints. The only problem I can find is that of giving just 229 datapoints pairs but sometimes it's enough to get enough information of the curve. Very useful!

Updates
16 May 2009
20 May 2009

Now plots lineseries objects instead of contourgroup objects. Can now return handle to plotted lineseries object; also, can return a matrix containing all plotted datapoints, with contiguous line segments clearly demarcated.

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