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elegant array index expansion using INTERPOLATE [message #58049]

Fri, 11 January 2008 12:33

Ryan.
Messages: 77
Registered: March 2006

Member

Hi All,

If I have a range of array indices I want to be able to interpolate
between this to get all indices in between. What is an elegant way of
doing this?

Here is an example of what I want:

array = [0,2,4,6,8,10,12,14,16,18]
idxrange = [3, 6]

expidxrange = Interpolate('idxrange') to get [3,4,5,6]

so that I can get
array[expidxrange] OR [6,8,10,12]

I would like it to be as general as possible. This is what I have, but
it doesn't work for a range of 1:

expidxrange = INTERPOLATE(idx, $
(1./(idxrange[1]-idxrange[0])*FINDGEN(idxrange[1]-idxrange[0 ]) ) )

Any thoughts?

Ryan.

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elegant array index expansion using INTERPOLATE

By: Ryan. on Fri, 11 January 2008 12:33

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