% NewtonHomotopy.input CONFIG % Use a Newton homotopy to sharpen ParameterHomotopy:2; FinalTol:1e-20; END; INPUT function parabola,twolines variable_group x,y; parameter t,x0,y0; random gamma; parabola = (1-t+gamma*t)*(y - x^2) - gamma*t*(y0 - x0^2); twolines = (1-t+gamma*t)*(x^2 - y^2) - gamma*t*(x0^2 - y0^2); END;