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simple question (I hope) [message #53288]

Fri, 30 March 2007 08:22

Ryan.
Messages: 77
Registered: March 2006

Member

Dear All,

Do any of you know a fast way of removing elements from an array given
an array of the indices? I know it is possible with a FOR loop but I
would like to avoid that if possbile because the array to be searched
could get quite large. Here is an example of what I would like to do:

A = [0,2,4,6,8,10,12,14,16,18,20]
indices_to_remove = [3,5,9]

to get a resulting array, B:
B = [0,2,4,8,12,14,16,20]

Note: I don't find the indices to remove using the WHERE function so I
am unable to use the COMPLEMENT option.

I think the 2.5 hours at All-You-Can-Eat Sushi last night has affected
my thinking because I'm still digesting.

Thanks,
Ryan.

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