4
3*x**2-2*x-a;
x**3-x**2-x*a+a-2*b-2;
3*y**2-2*y-a;
y**3-y**2-y*a-a+2;
TITLE : the system of Solotarev from the PoSSo test suite
ROOT COUNTS :
total degree : 36
4-homogeneous Bezout number : 10
with partition {{x }{a }{b }{y }}
generalized Bezout number : 8
with the set structure :
{x a }{x }
{x b }{x a }{x }
{a y }{y }
{a y }{y }{y }
mixed volume : 6
REFERENCES :
See the PoSSo test suite.
THE SOLUTIONS :
6 4
===========================================================
solution 1 :
t : 1.00000000000000E+00 0.00000000000000E+00
m : 1
the solution for t :
x : -1.00000016764979E+00 8.30237643136911E-08
a : 5.00000134119829E+00 -6.64190114509508E-07
b : 3.00000134119829E+00 -6.64190114509508E-07
y : -1.00000016764979E+00 8.30237643136911E-08
== err : 1.497E-06 = rco : 1.393E-08 = res : 1.402E-13 ==
solution 2 :
t : 1.00000000000000E+00 0.00000000000000E+00
m : 1
the solution for t :
x : 1.66666683444954E+00 -8.29578757360181E-08
a : 5.00000134226302E+00 -6.63663005888127E-07
b : -1.74074118816175E+00 2.21221001962709E-07
y : -1.00000016778288E+00 8.29578757360185E-08
== err : 1.496E-06 = rco : 1.980E-08 = res : 1.400E-13 ==
solution 3 :
t : 1.00000000000000E+00 0.00000000000000E+00
m : 1
the solution for t :
x : -3.33333333333333E-01 0.00000000000000E+00
a : 1.00000000000000E+00 0.00000000000000E+00
b : -4.07407407407407E-01 0.00000000000000E+00
y : 1.00000000000000E+00 0.00000000000000E+00
== err : 4.163E-16 = rco : 2.522E-01 = res : 5.551E-17 ==
solution 4 :
t : 1.00000000000000E+00 0.00000000000000E+00
m : 1
the solution for t :
x : -9.99999867089384E-01 -1.49761124852549E-07
a : 4.99999893671507E+00 1.19808899882038E-06
b : 2.99999893671507E+00 1.19808899882038E-06
y : -9.99999867089384E-01 -1.49761124852549E-07
== err : 1.602E-06 = rco : 1.570E-08 = res : 1.604E-13 ==
solution 5 :
t : 1.00000000000000E+00 0.00000000000000E+00
m : 1
the solution for t :
x : 1.00000000000000E+00 0.00000000000000E+00
a : 1.00000000000000E+00 0.00000000000000E+00
b : -1.00000000000000E+00 0.00000000000000E+00
y : 1.00000000000000E+00 0.00000000000000E+00
== err : 0.000E+00 = rco : 4.667E-01 = res : 0.000E+00 ==
solution 6 :
t : 1.00000000000000E+00 0.00000000000000E+00
m : 1
the solution for t :
x : 1.66666653366608E+00 1.49659837765391E-07
a : 4.99999893599533E+00 1.19727870212311E-06
b : -1.74074038607252E+00 -3.99092900707705E-07
y : -9.99999866999416E-01 -1.49659837765391E-07
== err : 1.602E-06 = rco : 2.232E-08 = res : 1.604E-13 ==