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How To Pre Allocate A Non Double Matrix?

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Preallocating a block of memory for holding a non double matrix is memory efficient.

 It is faster to use the function 'repmat'.

 While allocating block of memory for a matrix, zeros are pre allocated to a matrix.

 The function to pre allocate memory is int8().

Ex: matrix = int8(zeros(100));

 Repmat function is used to create a single double matrix.

 Ex: matrix2 = repmat(int8(0), 100, 100);

 Thus non double matrix is pre allocated.

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