  Hadamard matrices are square $n\times n$ matrices whose entries are ones and
minus ones and whose rows are orthogonal to each other with respect to the
standard scalar product in $\Bbb R^n$. Each Hadamard matrix can be transformed
to a matrix whose entries are zeros and ones. This presentation of Hadamard
matrices is investigated in the paper and based on it an algorithm for
generating them is designed.
