%General Case -- DZ2
clc;
clear;
format long;
format infsup;

syms x y z
f1=x^4;
f2=x^2*y+y^4;
f3=z+z^2-7*x^3-8*x^2;
F=[f1,f2,f3]
vars=[x,y,z];
zeros=rand(1,3)/1000;
zeros(3) = zeros(3)-1;
tol= 0.005;
appsol=zeros.'

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