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Re: array summation [message #93470 is a reply to message #93469]

Tue, 26 July 2016 11:20

wlandsman
Messages: 743
Registered: June 2000

Senior Member

On Tuesday, July 26, 2016 at 10:35:14 AM UTC-4, AGW wrote:
> On Tuesday, July 19, 2016 at 3:45:12 PM UTC+2, 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 ?
>
> OK, now if x=st[0:499,0:999,0:14,0], I want to print values form 0:14 only, how can I do it

Again, we have to guess what you are asking for.
Your array x is dimensioned [500, 1000, 15]
To print the first 15 values in x
IDL> print,x[0:14]
To print the 15 values along the third dimension starting at x[0,0,0]
IDL> print,x[0,0,*]

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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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