Maxima Function
ggf (l)
Compute the generating function (if it is a fraction of two polynomials) of a sequence, its first terms being given. l is a list of numbers.
The solution is returned as a fraction of two polynomials.
If no solution has been found, it returns with done.
This function is controlled by global variables GGFINFINITY and GGFCFMAX. See also GGFINFINITY and GGFCFMAX.
To use this function write first load("ggf").