 
 
 
 
 
 
 
  
Let consider the curve described by the system:

 may be chosen as the parameter.
To obtain in the files B1, B2, B3, B4 points of the 4 branches
of this curve you will write:
 may be chosen as the parameter.
To obtain in the files B1, B2, B3, B4 points of the 4 branches
of this curve you will write:
 
with(ALIAS):
Continuation([x^2+(y-1)^2+z^2-1,x^2-y^3],[x,y],[z],
             [[-100,100],[-100,100]],[[-2,2]],0.05,1e-6,1.e-4,1,"B");