Finding 4 closest values to a value in an array

2020 9 28

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How do I find multiple points close to a particular number in an array? I can do this for one value but how do I extend that?

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Sindar 2020-9-28

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[~,idx] = mink(abs(data-find_point),5);
data(idx)

AAS 2020-9-29

Hi, Thankyou! How can I extend this to select maybe two values above and below the value I want?

Sindar 2020-9-29

You'd play around with (data-find_point) without the abs(). Algorithm something like:

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