In a matrix column/array, how can I turn all numbers higher than a certain value into nans?

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I have a 1 D array (column) of measured data (that I ultimately append to a matrix). I want to plot the data.
There are numbers higher than "1.0" in the array and they mean that there was a problem with a measurement. I need to turn any numbers higher than 1.0 into nans. Does anyone know how to do this? Thank you for any advice.

Accepted Answer

Abdolkarim Mohammadi
Abdolkarim Mohammadi on 2 Sep 2020
Edited: Abdolkarim Mohammadi on 2 Sep 2020
The best way is to use logical indexing.
X(X>1) = NaN;
Read this page, especially Indexing with Logical Values:
  1 Comment
Srh Fwl
Srh Fwl on 2 Sep 2020
Thank you very much! Really appreciate the link to the documentation page. I had no idea what terms to search.

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