How to determine the two closest values to a threshold value

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Hi! I have a threshold value of 0.9 and I need to find its two closest values in a matrix.
Below is a simple example of what my question is based on. Is there a way to determine the previous y value before 0.9 (0.88 in the example) and the next value after (0.92)?
y = [0, 0.2 , 0.6, 0.88, 0.92, 1]
(Note* this is only an example matrix. The matrix values will be different every run)

Accepted Answer

hosein Javan
hosein Javan on 11 Aug 2020
Edited: hosein Javan on 11 Aug 2020
%% nearest value considerin it is bigger or smaller than threshold
m1 = min(y(y>0.9)) % nearest value after threshold
m2 = max(y(y<0.9)) % nearest value before threshold
%% nearest value regardless of being bigger or smaller than threshold
[~,i] = sort(abs(y-0.9));
m1 = y(i(1)) % 1st nearest value
m2 = y(i(2)) % 2nd nearest value

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