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Converting 2-d[:,45] matrix to 3-d[:,45,246] matrix based on unique values in 2nd column of 2d matrix

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Mudasser Seraj
Mudasser Seraj 2018-5-9
回答： Walter Roberson 2018-5-10
I have a 2-d matrix with [:, 45] dimension, which I want to convert into a 3-d matrix of dimension [:,45,246] based on 246 unique values on 2nd column of 2-d matrix.
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Walter Roberson
Walter Roberson 2018-5-10
[uniquevals, ~, idx] = unique(YourMatrix(:,2));
for J = 1 : length(YourMatrix,1)
NewMatrix(J, :, idx(J)) = YourMatrix(J, :);
end

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