Sorry, I must have tried in the git version, not 0.7.6. I see the same thing in 0.7.6, but it works fine in the git master.
Aaron Meurer On Wed, Feb 11, 2015 at 2:54 AM, Arnaud Usciati <rait...@gmail.com> wrote: > I use sympy-0.7.6.win32. > I tried it with a faster computer and it returns that : > > solve(8.99*x*(-x + 1)**1.9 + 3.1*(-x + 1)**2.1 - 3.1*(-x + 1)**2.9, x) > Traceback (most recent call last): > File "<pyshell#0>", line 1, in <module> > solve(8.99*x*(-x + 1)**1.9 + 3.1*(-x + 1)**2.1 - 3.1*(-x + 1)**2.9, x) > File "C:\Python34\lib\site-packages\sympy\solvers\solvers.py", line 909, > in solve > solution = _solve(f[0], *symbols, **flags) > File "C:\Python34\lib\site-packages\sympy\solvers\solvers.py", line 1218, > in _solve > u = unrad(f_num) > File "C:\Python34\lib\site-packages\sympy\solvers\solvers.py", line 2885, > in unrad > neq = unrad(eq, *syms, cov=cov, dens=dens, n=len(rterms), rpt=rpt, > take=_take) > File "C:\Python34\lib\site-packages\sympy\solvers\solvers.py", line 2885, > in unrad > neq = unrad(eq, *syms, cov=cov, dens=dens, n=len(rterms), rpt=rpt, > take=_take) > File "C:\Python34\lib\site-packages\sympy\solvers\solvers.py", line 2781, > in unrad > eq = _mexpand(eq) > File "C:\Python34\lib\site-packages\sympy\simplify\sqrtdenest.py", line > 13, in _mexpand > return expand_mul(expand_multinomial(expr)) > File "C:\Python34\lib\site-packages\sympy\core\function.py", line 2006, in > expand_multinomial > power_base=False, basic=False, multinomial=True, log=False) > File "C:\Python34\lib\site-packages\sympy\core\cache.py", line 91, in > wrapper > retval = cfunc(*args, **kwargs) > File "C:\Python34\lib\functools.py", line 458, in wrapper > result = user_function(*args, **kwds) > File "C:\Python34\lib\site-packages\sympy\core\expr.py", line 2871, in > expand > expr, hit = Expr._expand_hint(expr, hint, deep=deep, **hints) > File "C:\Python34\lib\site-packages\sympy\core\expr.py", line 2804, in > _expand_hint > arg, arghit = Expr._expand_hint(arg, hint, **hints) > File "C:\Python34\lib\site-packages\sympy\core\expr.py", line 2804, in > _expand_hint > arg, arghit = Expr._expand_hint(arg, hint, **hints) > File "C:\Python34\lib\site-packages\sympy\core\expr.py", line 2812, in > _expand_hint > newexpr = getattr(expr, hint)(**hints) > File "C:\Python34\lib\site-packages\sympy\core\power.py", line 819, in > _eval_expand_multinomial > expansion_dict = multinomial_coefficients(len(p), n) > File "C:\Python34\lib\site-packages\sympy\ntheory\multinomial.py", line > 145, in multinomial_coefficients > return dict(multinomial_coefficients_iterator(m, n)) > File "C:\Python34\lib\site-packages\sympy\ntheory\multinomial.py", line > 237, in multinomial_coefficients_iterator > t1 = _tuple(t) > MemoryError > > > Le samedi 31 janvier 2015 20:51:45 UTC+1, Aaron Meurer a écrit : >> >> Is this in the latest version of SymPy? For me, it returns [0.0, 1.0] >> after a few seconds. >> >> Aaron Meurer >> >> On Fri, Jan 30, 2015 at 7:27 AM, Arnaud Usciati <rai...@gmail.com> wrote: >>> >>> Hello, >>> >>> I try to find solutions for : 8.99*x*(-x + 1)**1.9 + 3.1*(-x + 1)**2.1 - >>> 3.1*(-x + 1)**2.9 == 0 >>> I use >>> solve(8.99*x*(-x + 1)**1.9 + 3.1*(-x + 1)**2.1 - 3.1*(-x + >>> 1)**2.9, x) but it runs endless !!!! >>> >>> Any ideas to fix it ? >>> >>> PS : sorry for my english, i'm french :) >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "sympy" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to sympy+un...@googlegroups.com. >>> To post to this group, send email to sy...@googlegroups.com. >>> Visit this group at http://groups.google.com/group/sympy. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/sympy/c2cdcafa-ec7b-41f0-9b15-2c5d1104fe8a%40googlegroups.com. >>> For more options, visit https://groups.google.com/d/optout. >> >> > -- > You received this message because you are subscribed to the Google Groups > "sympy" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sympy+unsubscr...@googlegroups.com. > To post to this group, send email to sympy@googlegroups.com. > Visit this group at http://groups.google.com/group/sympy. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sympy/9bb8b46d-d005-4c49-95c2-bbafdc05cdcc%40googlegroups.com. > > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sympy+unsubscr...@googlegroups.com. To post to this group, send email to sympy@googlegroups.com. Visit this group at http://groups.google.com/group/sympy. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/CAKgW%3D6LXcvUdp0JPSVK%2BefHcpKbMTbUqc8qsAPDFNdOwaP9WZw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
