MATLAB: I have to fuse two features i had concatenated it horizontally..to concatenate it should be in equal dimension..how can i make it to be in equal dimension..

concatenatefeature

i have to fuse two features i had concatenated it horizontally..to concatenate it should be in equal dimension..how can i make it to be in equal dimension..

Best Answer

Suppose;

A = [1 2;3 4]

B= [1 2 3;1 2 3;1 2 3]

Then,

A(3,3) = 0

Command will pad the array A with zero for further concatenation operations.

Hope it helps!!!

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reshape(permute(Mtx,[2 3 1]),2,[])'

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Paulo answered the question as you phrased it, but if you know the exact number of results you are producing (or if the maximum number of results is "reasonably close" to the likely number of results), then you are better off pre-allocating memory for the results:

a = zeros(10,1);
for b = 1:10
  a(b) = 3*b+5;  %for example
end

When you get to thousands of elements, pre-allocating can be much much faster.

Best Answer

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