Since the version of R2014b, MATLAB now makes the graphics beautifully smooth (finally!)
However, this leads to a crash in the way it displays some of my numbers. If I build a line, use hold on , and then build another line exactly in the same place with a different color, the line will appear in a motley combination of both colors. Previously, the line was simply displayed as the last color that was applied at this place.
Here's an example of a track in blue, with some sections (steeper bits) showing a green line. In previous versions of MATLAB, the green lines would be continuous, but now some kind of blue line passes.

Is there a neat way around this in the new version, or should I make sure that I delete any existing lines before building in one place?
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