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Conditionally colored line plot

4.5 | 2 ratings Rate this file 29 Downloads (last 30 days) File Size: 3.76 KB File ID: #30423 Version: 1.0
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Conditionally colored line plot


Matt Tearle (view profile)


Plots (2D line) graph split into two colors above and below a given threshold value

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Plots vectors x & y using one color for when y is greater than a given threshold value, and another color when y is less than the threshold.

You can optionally specify any standard formatting string that PLOT accepts (eg 'rx:' for a red dotted line with cross markers).

The plotting follows the standard MATLAB PLOT approach of linearly interpolating between data values. The coloring/linestyle changes at y = threshold, even on the interpolated line.


This file inspired Conditionally Colored Plot (Ccplot).

MATLAB release MATLAB 7.11 (R2010b)
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Comments and Ratings (2)
13 Mar 2014 Barnaby

Barnaby (view profile)

15 Jun 2012 Jeremy

Jeremy (view profile)

It works well as described, but could be improved by handling multiple thresholds.

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