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Conditionally colored line plot

4.5 | 2 ratings Rate this file 18 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)

  • 1 file
  • 4.82609

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

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