| how to prevent NaNs [message #91776] |
Tue, 25 August 2015 07:03  |
g.nacarts
Messages: 148
Registered: November 2013
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Senior Member |
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Hi
I had two FLOAT arrays that contains zeroes. Because I divide those two arrays I ended up with NaNs.
Array = REFORM(A[1,*,*]/A[2,*,*])
Does anyone knows how to prevents Nans and simply replace by zero? Where the A[1,*,*]/A[2,*,*] = 0./0. = 0 instead of NaN.
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| Re: how to prevent NaNs [message #91783 is a reply to message #91776] |
Wed, 26 August 2015 06:43  |
Paul Van Delst[1]
Messages: 1157
Registered: April 2002
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Senior Member |
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On 08/25/15 10:03, g.nacarts@gmail.com wrote:
> Hi
>
> I had two FLOAT arrays that contains zeroes. Because I divide those
> two arrays I ended up with NaNs.
>
> Array = REFORM(A[1,*,*]/A[2,*,*])
>
> Does anyone knows how to prevents Nans and simply replace by zero?
> Where the A[1,*,*]/A[2,*,*] = 0./0. = 0 instead of NaN.
>
Check out the FINITE() function.
cheers,
paulv
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