How to use "nan"
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I want to get rid of the color by using "nan" ,marked on the map.

The code is as follows.

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KSSV
am 26 Mär. 2021
Bearbeitet: KSSV
am 26 Mär. 2021
LEt's say you want to change the values beyond a given value val (a number) into NaN. Use:
u(u>val) = NaN ;
isnan is afunction used to check whether a value is nan or not. You can check after replacing values with NaN using:
u(isnan(u))
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