Hi I'm trying to implement the series in mathematica, but somehow it is not producing the required results. Could you please help me out?
this is the series, and i'm implementing it like:
but the answer should be:
I have added the source file as well, test.nb
Regards
Mathematica's answer appears to be the correct one.
You can write a sum in a more direct way:
u[\[Xi]_] = Sum[Subscript[a, n] (D[s[\[Xi]], {\[Xi], n}]/s[\[Xi]])^n, {n, 0, 2}]
Thanks Gianluca Gorni, but unfortunately i'm not getting the same answer.
