few minutes after sending the mail I got this
/home/stefan/Workspace/sympy/sympy/core/operations.pyc in
_eval_template_is_attr(self, is_attr)
214 r = True
--> 215 for t in self.args:
216 a = getattr(t, is_attr)
217 if a is None: return
RuntimeError: maximum recursion depth exceeded
On 9 November 2011 16:46, [email protected] <
[email protected]> wrote:
> In [21]: s = summation(k**(-2.1), (k, 1, oo))
> In [23]: %timeit s.evalf()
> 1 loops, best of 3: 196 ms per loop
>
> In [24]: s = summation(k**(-x), (k, 1, oo))
> In [26]: %timeit s.evalf(subs={x : 2.1})
> still calculating
>
> This seems like a bug?
>
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