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Re: array summation [message #93448 is a reply to message #93441]

Tue, 19 July 2016 09:46

Craig Markwardt
Messages: 1869
Registered: November 1996

Senior Member

On Tuesday, July 19, 2016 at 9:45:12 AM UTC-4, AGW wrote:
> Hi,
> my IDL program as
>
> file='c:\a.sav'
> restore,file,/st
>
> V=[12,55,44,88,99]
>
> x=sT[500,1000,15,0] ; it is an image
>
> y=sT[500,1000,15,2] ; it is an image
>
> I want to make
>
> z=SUM(v*[x+y])
>
>
> I want to result of z array as [500,1000,15,1], How can I do it ?

It's not possible with the information you provided.
V is a 5 element vector.
X and Y are single scalar values, not images
The math you describe doesn't make sense with those inputs.

CM

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[Message index]

		array summation By: Ali Gamal on Tue, 19 July 2016 06:45
		Re: array summation By: wlandsman on Tue, 19 July 2016 07:12
		Re: array summation By: Ali Gamal on Tue, 19 July 2016 07:34
		Re: array summation By: wlandsman on Tue, 19 July 2016 07:44
		Re: array summation By: Craig Markwardt on Tue, 19 July 2016 09:46
		Re: array summation By: Ali Gamal on Tue, 19 July 2016 10:41
		Re: array summation By: wlandsman on Tue, 19 July 2016 10:59
		Re: array summation By: Ali Gamal on Tue, 19 July 2016 13:42
		Re: array summation By: Ali Gamal on Tue, 26 July 2016 07:35
		Re: array summation By: wlandsman on Tue, 26 July 2016 11:20
		Re: array summation By: Ali Gamal on Tue, 26 July 2016 12:22

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