Status: New
Owner: ----
Labels: Type-Defect Priority-Medium
New issue 3686 by [email protected]: solve_poly_system() doesn't
take float coefficient???
http://code.google.com/p/sympy/issues/detail?id=3686
problem:
roots = solve_poly_system([((x-5)**2/250000 + (y-5/10)**2/250000) - 1,
x],x,y)
is OK
while:
roots = solve_poly_system([((x-5.0)**2/250000 + (y-5.0/10)**2/250000) - 1,
x],x,y)
is KO!
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/sympy/solvers/polysys.py",
line 41, in solve_poly_system
return solve_biquadratic(f, g, opt)
File "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/sympy/solvers/polysys.py",
line 68, in solve_biquadratic
G = groebner([f, g])
File "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/sympy/polys/polytools.py",
line 5672, in groebner
return GroebnerBasis(F, *gens, **args)
File "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/sympy/polys/polytools.py",
line 5709, in __new__
raise DomainError("can't compute a Groebner basis over %s" % opt.domain)
it's quite weird for me...
what is missing????
thank you
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