how to concatenate matrix in Matlab -

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I have n dxd matrices in Matlab and I want to add them to get a Dxdxn matrix where (:,: , I) i ^ th matrix (i = 1..n) is i how can i do this?

use 

  outside = cat 3, mat1, mat2 , Mat3, ..., Matn);   
 If arrays are elements of a cell array,  
  outside = cat (3, cellar {:});

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