That's definitely a bug. Can you open an issue for it?

Aaron Meurer

On Wed, Sep 27, 2017 at 2:13 PM, Jeremie Knuesel <[email protected]> wrote:
> Hi,
>
> In the following example, the value returned is e^1 instead of e^1.9:
> Sum(1.9**k/factorial(k), (k, 0, oo)).evalf()
>
> Is this a bug or am I doing something wrong?
>
> Note that I get the expected value when doing
> Sum(x**k/factorial(k), (k, 0, oo)).doit().subs(x,1.9)
>
> Best regards,
>
> Jeremie Knuesel
>
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