

   FFaasstt CCoonnvvoolluuttiioonn

        convolve(a, b)

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

        a,b: the sequences to be convolved.

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

        This function uses the Fast Fourier Transform to com-
        pute the (circular) convolution of the sequences given
        as its arguments.

   RReeffeerreenncceess::

        Brillinger, D. R. (1981).  Time Series: Data Analysis
        and Theory, Second Edition.  San Francisco: Holden-Day.

   SSeeee AAllssoo::

        `fft', `nextn'.

