omg has the patch
On Sunday, January 31, 2016 at 11:14:33 AM UTC-6, Ondřej Čertík wrote:
>
> Hi Swdrury,
>
> On Sun, Jan 31, 2016 at 5:04 AM, <swd...@hotmail.ca <javascript:>>
> wrote:
> > This is literally my first program using sympy, based on an example from
> my
> > calculus class:
> >
> > from sympy import *
> >
> > def main():
> > x=symbols("x")
> > f=exp(x**3)*cos(x**6)
> > print(series(f,x,0,14))
> > print(series(f,x,0,19))
> >
> > if __name__ == "__main__":
> > main()
> >
> > The output:
> >
> > 1 + x**3 + x**6/2 + x**9/6 + x**12/24 + O(x**14)
> > 1 + x**3 + x**6/2 + x**9/6 - 11*x**12/24 - 59*x**15/120 - 179*x**18/720
> +
> > O(x**19)
> >
> > As you can see at least one of the answers is wrong.
>
> Thanks for reporting it. I created an issue for it here:
>
> https://github.com/sympy/sympy/issues/10503
>
> The series is pretty well tested, so I am surprised that there is a
> bug like this. This needs to be fixed.
>
> > Should I bother using sympy a second time?
>
> We'll update the issue once this is fixed. If you find any other
> issues, please let us know.
>
> Thanks,
> Ondrej
>
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