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template<matrix_order RO, matrix_style RS, typename T , matrix_order PO, matrix_style PS> Matrix<T,RO,RS> scythe::prodc ( const Matrix< T, PO, PS > &  A ) Calculate the product of each column of a Matrix. This function calculates the product of each column of a matrix by multiplying all elements of a single column, looping through all columns, and returning the results. Parameters: A The matrix to be multiplied. See also: sumc(const Matrix<T,PO,PS> &A) sum(const Matrix<T,PO,PS> &A) prod(const Matrix<T,PO,PS> &A)