Re: "+ -" in an output line?
- To: mathgroup at smc.vnet.net
- Subject: [mg52294] Re: "+ -" in an output line?
- From: Peter Pein <petsie at arcor.de>
- Date: Sun, 21 Nov 2004 07:23:32 -0500 (EST)
- References: <cnn1b0$8rq$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
AES/newspost wrote:
> The input
>
> In[13]:=
> Series[-I q s - I p Sqrt[K1^2 - s^2], {s, 0, 1}]
>
> gives
>
> Out[13]=
> -I Sqrt[K1^2] p + - I q s + O[s^2]
>
> whereas
>
> In[14]:=
> Series[-I q s - I p Sqrt[K1^2 - s^2], {s, 0, 1}] // Normal
>
> gives
>
> Out[14]=
> -I Sqrt[K1^2] p - I q s
>
> What's that "+ -" doing in Out[13] ? Is this normal?
>
3.6.2 Advanced Topic: The Representation of Power Series
in the Mathematica book.
--
Peter Pein
10245 Berlin