How to keep factorial representation unexpanded in taylor series
Subject: How to keep factorial representation unexpanded in taylor series
From: Dan Stanger
Date: Mon, 11 Sep 2006 06:49:11 -0400
Use the function powerseries.
Dan Stanger
Dexter wrote:
>Hi,
>
>I'm trying to obtain the taylor series of e^x via function taylor()
>
> taylor(%e^x,x,0,5);
>
>the output is:
>
> 2 3 4 5
> x x x x
>(%o1)/T/ 1 + x + -- + -- + -- + --- + . . .
> 2 6 24 120
>
>but I prefer the factorials keep unexpanded, like this:
>
>
> 2 3 4 5
> x x x x
>(%o1)/T/ 1 + x + -- + -- + -- + --- + . . .
> 2! 3! 4! 5!
>
>
>setting factlim to 0 seems take no effects in this situation.
>
>
>Any suggestion?
>
>
> Dexter
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