Efficient matri x calculation

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Kris zenitis
Kris zenitis on 18 Jul 2014
Edited: Matt J on 18 Jul 2014
I am wondering if there exist a more efficient way to do the following (without double for loop).
ids = textread('ids.txt'); % ids Nx1 matrix
for indx = 1:length(data) %data Nx3 matrix
for j = 1:size(data, 2)
data_new(indx, j) = ids(data(indx, j));
end
end

Answers (1)

Alfonso Nieto-Castanon
Alfonso Nieto-Castanon on 18 Jul 2014
data_new = ids(data);

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