From: Torsten Hennig on
> I have two bivariate polynomials f(x,y) and g(x,y)
> and I want to find all values of x and y for which
> f(x,y)=g(x,y)=0 simultaneously.
> The problem is that the coefficients of each terms
> are complex numbers.
> Of course the theoretical solutions are existed.
> I need to get a code for solving this problem.
> I need help....

Take a look at
http://plato.asu.edu/sub/zero.html
especially the multi-variable codes
HOMPACK, HOMPACK90, POLSYS_PLP, PHoM and
TOMS/795 (PHCPACK).

Best wishes
Torsten.