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How to write a function that can be apply to arbitrary dimension of multiple array! [message #86235]

Sat, 19 October 2013 20:21

Dave[4]
Messages: 38
Registered: December 2007

Member

Hi, guys:
I want to write a function which can be apply to specified dimension of multiple array, like "mean function which has DIMENSION= parameters.
So, any suggestions! Very thanks!
dave
10/20, 2013

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Re: How to write a function that can be apply to arbitrary dimension of multiple array! [message #86237 is a reply to message #86235]

Sun, 20 October 2013 07:10

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Dave writes:

> I want to write a function which can be apply to specified dimension of multiple array, like "mean function which has DIMENSION= parameters.
> So, any suggestions!

My suggestion is to show us what you have done so far, so we can see
where you are going wrong.

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
Sepore ma de ni thue. ("Perhaps thou speakest truth.")

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Re: How to write a function that can be apply to arbitrary dimension of multiple array! [message #86247 is a reply to message #86235]

Mon, 21 October 2013 07:10

Carsten Lechte
Messages: 124
Registered: August 2006

Senior Member

On 20/10/13 05:21, Dave wrote:
> Hi, guys: I want to write a function which can be apply to specified
> dimension of multiple array, like "mean function which has DIMENSION=
> parameters. So, any suggestions!

You ask a very general question, so the answer also is very general. I have on
occasion used TRANSPOSE() with the permutation vector P specified so that the
special dimension was made the first dimension. Then your function can be
written to always do its work on the first dimension, after which you
transpose back.

chl

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