

   FFoorrmm SSyymmmmeettrriicc TTooeepplliittzz MMaattrriixx

        toeplitz (x)

   AArrgguummeennttss::

          x: the first row to form the Toeplitz matrix.

   DDeessccrriippttiioonn::

        Forms a symmetric Toeplitz matrix given its first row.

   VVaalluuee::

        The Toeplitz matrix.

   AAuutthhoorr((ss))::

        A. Trapletti

   EExxaammpplleess::

        x <- 1:5
        toeplitz (x)

