%Special Case -- Decker2
clc;
clear;
format long;
format infsup;



syms x y
f1=x+y^3;
f2=x^2*y-y^4;
vars = [x,y];
zeros = rand(1,2)/1000;
tol = 0.005;
F =[f1,f2]
appsol=zeros.'

[X,xs] = viss(F,vars,zeros,tol)



