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Topic: match matrix to closest values
Replies: 5   Last Post: Jun 16, 2013 3:34 AM

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Bruno Luong

Posts: 8,764
Registered: 7/26/08
Re: match matrix to closest values
Posted: Jun 10, 2013 3:24 PM
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dpb <none@non.net> wrote in message <kp5433$adc$1@speranza.aioe.org>...
> On 6/9/2013 5:50 PM, Y wrote:

>
> I'd guess could be written w/ bsxfun() but didn't try it...not that it
> would likely perform any better...


bsxfun is much safer in term of memory consumption. It is always preferable method.

Back to the question, there is no need to compare all the pairs. This should do:

h = unique(haystack(:))
val = interp1(h,h,needle,'nearest')

% Bruno



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