replace values with nans

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Leela Sai Krishna
Leela Sai Krishna on 18 Mar 2019
Commented: Leela Sai Krishna on 18 Mar 2019
I have a matrix data. i applied a condition and i get the idx. i want to replace that idx values with Nans.
plz suggest the process for this.
Thanks....

Accepted Answer

madhan ravi
madhan ravi on 18 Mar 2019
data(idx)=NaN
  1 Comment
Leela Sai Krishna
Leela Sai Krishna on 18 Mar 2019
thanks it works.
actually i want to replace values in matrices with nans whose idx is 1

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More Answers (1)

Jos (10584)
Jos (10584) on 18 Mar 2019
Take a look at logical indexing or the function ind2sub
M = randi(10,8,6)
% use indices of elements for which condition is true
idx = find(M > 8)
M(sub2ind(size(M), idx)) = NaN
% use logical indexing (easier in many cases)
M(M < 3) = 999

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