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Re: operation with array of NaNs [message #52437 is a reply to message #52436]

Wed, 31 January 2007 15:17

news.qwest.net
Messages: 137
Registered: September 2005

Senior Member

<inardello@odu.edu> wrote in message
news:1170284491.683686.134280@a34g2000cwb.googlegroups.com.. .
> Hello there,
>
> I am quite new to IDL and found an interesting problem.
>
> I have an array of elements (5x5).
> All the elements in the array are NaN(s).
>
> When I ask what is the number of locations (n_elements) where the
> elements of this array are e.g.: "finite", the answer is "1".

I think you want total(), instead of N_elements().

IDL> print,total(finite([!values.f_nan,!values.f_nan]))

0.000000

Cheers,

bob

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[Message index]

		Re: operation with array of NaNs By: inardello on Thu, 01 February 2007 06:43
		Re: operation with array of NaNs By: jschwab@gmail.com on Wed, 31 January 2007 17:07
		Re: operation with array of NaNs By: jschwab@gmail.com on Wed, 31 January 2007 17:06
		Re: operation with array of NaNs By: Jean H. on Wed, 31 January 2007 15:10
		Re: operation with array of NaNs By: news.qwest.net on Wed, 31 January 2007 15:17

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