Function similar to isnan for zeros

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Raldi
Raldi on 26 Feb 2015
Commented: Matt J on 26 Feb 2015
Is there a function that does what isnan does but with zeros?

Accepted Answer

Matt J
Matt J on 26 Feb 2015
Edited: Matt J on 26 Feb 2015
The ~ operator
>> A=[1 0 2 3 0 0 4]
A =
1 0 2 3 0 0 4
>> nonzeroMap=~A
nonzeroMap =
0 1 0 0 1 1 0
  1 Comment
Matt J
Matt J on 26 Feb 2015
Or the not() command
>> nonzeroMap=not(A)
nonzeroMap =
0 1 0 0 1 1 0

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