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how to find the closest values with tolerance in a matrix given a specific value

Asked by kostas zervos on 6 Sep 2016
Latest activity Edited by michio
on 6 Sep 2016
Hi everyone, i have a problem finding values with tolerance in a matrix.In more detail, i have a 601x2201 matrix that contains option values, all i want is to find the closest values to 185.2 with +-0.02 tolerance and their indexes in the matrix.i have tried some codes to solve this(ismember,find,...) but always i end up with no answer.i would appriciate any help.Thank you for your time.

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2 Answers

Answer by Azzi Abdelmalek
on 6 Sep 2016
 Accepted Answer

A=1000*rand(601,2201) ; % Example
tol=0.02
th=185.2
[ii,jj]=find(abs(A-th)<tol)
size(ii)

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Answer by kostas zervos on 6 Sep 2016

Thank you guys,you saved me!!!both answers are very helpful!!!

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If you are using R2015b or later, ismembertol function could also be of help.

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