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Re: Looking for a search routine [message #5398 is a reply to message #5274]

Mon, 27 November 1995 00:00

Liam Gumley
Messages: 473
Registered: November 1994

Senior Member

jvkepner@airy.Princeton.EDU (Jeremy Kepner) wrote:
> I have two 1D floating point vectors X and Y.
> Y contains values sorted in increasing order. I am
> looking for a function that for each element in the
> X array, X(i), will return the index of the element in the
> Y array that is nearest to X(i). Ideally it would
> be a function that would look something like
>
> y_ids = SEARCH(X,Y)

For each element of X, to find the index of the closest value in Y, do

D = MIN(ABS(Y-X(I)),LOC)

where I is the loop index for X, and LOC is the index of the closest value in
Y.
You might be able to do this without a loop, but I'm not sure exactly how.

Cheers,
Liam.

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[Message index]

		Looking for a search routine By: jvkepner on Tue, 21 November 1995 00:00
		Re: Looking for a search routine By: Liam Gumley on Mon, 27 November 1995 00:00

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