AReturns a n-by-n nonsingular matrix of 0's and 1's.
With large determinant or inverse. If k=1, A is Toeplitz and abs(det(A))=1.
If k=2, A is upper triangular and Toeplitz. If k=3, A has maximal
determinant among (0,1) lower Hessenberg matrices. Also is Toeplitz.
Also known as an anti-Hadamard matrix.
dramadah(n, k = 1)Matrix of zeros and ones
order of matrix
decides type of matrix returned.