2
x**2 + 4*y**2 - 4;
2*y**2 - x;
TITLE : Mickey-mouse example to illustrate homotopy continuation.
ROOT COUNTS :
total degree : 4
1-homogeneous Bezout number : 4
with partition : {x y }
generalized Bezout number : 4
based on the set structure :
{x y }{x y }
{x y }{y }
mixed volume : 4
REFERENCES :
The equations represent the intersection of a circle with a parabola.
Jan Verschelde and Ronald Cools:
"Polynomial Homotopy Continuation, A Portable Ada Software Package".
The Ada-Belgium Newsletter, 4:59--83, 1996.
Proceedings of the 1996 Ada-Belgium Seminar, 22 November 1996,
Eurocontrol, Brussels, Belgium.
THE SOLUTIONS :
4 2
===========================================================
solution 1 :
t : 1.00000000000000E+00 0.00000000000000E+00
m : 1
the solution for t :
x : -3.23606797749979E+00 0.00000000000000E+00
y : 0.00000000000000E+00 -1.27201964951407E+00
== err : 1.174E-15 = rco : 1.079E-01 = res : 0.000E+00 ==
solution 2 :
t : 1.00000000000000E+00 0.00000000000000E+00
m : 1
the solution for t :
x : -3.23606797749979E+00 0.00000000000000E+00
y : 0.00000000000000E+00 1.27201964951407E+00
== err : 1.174E-15 = rco : 1.079E-01 = res : 0.000E+00 ==
solution 3 :
t : 1.00000000000000E+00 0.00000000000000E+00
m : 1
the solution for t :
x : 1.23606797749979E+00 0.00000000000000E+00
y : -7.86151377757423E-01 -9.95682444457783E-60
== err : 3.476E-16 = rco : 1.998E-01 = res : 4.441E-16 ==
solution 4 :
t : 1.00000000000000E+00 0.00000000000000E+00
m : 1
the solution for t :
x : 1.23606797749979E+00 0.00000000000000E+00
y : 7.86151377757423E-01 9.95682444457783E-60
== err : 3.476E-16 = rco : 1.998E-01 = res : 4.441E-16 ==