Matrix in witch the elements on and above the diagonal of the array contain the min(M, N) x N
upper trapezoidal matrix 'R' (R is upper triangular if m >= n). The elements below the
diagonal, with the array tau, represent the orthogonal matrix 'Q' as product of min(m, n).
Matrix in witch the elements on and above the diagonal of the array contain the min(M, N) x N upper trapezoidal matrix 'R' (R is upper triangular if m >= n). The elements below the diagonal, with the array tau, represent the orthogonal matrix 'Q' as product of min(m, n).