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An Algorithm for a Fast Hadamard Matrix Transform of Order Twelve

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1 Author(s)
Pratt, W. ; IEEE

a matrix factorization is presented for a Hadamard matrix of order twelve that permits a Hadamard transform of this order to be computed with substantially fewer operations than by simple matrix multiplication. The matrix factorization is extended to Hadamard matrices of order 2nX 12 where n is an integer.

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Computers, IEEE Transactions on  (Volume:C-18 ,  Issue: 12 )