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Rearrange dimensions of N-D array


B = permute(A,order)


B = permute(A,order) rearranges the dimensions of A so that they are in the order specified by the vector order. B has the same values of A but the order of the subscripts needed to access any particular element is rearranged as specified by order. All the elements of order must be unique, real, positive, integer values.


Given any matrix A, the statement

permute(A,[2 1]) 

is the same as A.'.

For example:

A = [1 2; 3 4]; permute(A,[2 1])
ans =
     1     3
     2     4

The following code permutes a three-dimensional array:

X = rand(12,13,14);
Y = permute(X,[2 3 1]);
ans =
    13    14    12

More About

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Tall Array Support

This function supports tall arrays with the limitation:

Permuting the tall dimension (dimension one) is not supported.

For more information, see Tall Arrays.


permute and ipermute are a generalization of transpose (.') for multidimensional arrays.

Introduced before R2006a

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