Re: a problem with taylors expansion
- To: mathgroup at smc.vnet.net
- Subject: [mg30468] Re: a problem with taylors expansion
- From: "Allan Hayes" <hay at haystack.demon.co.uk>
- Date: Thu, 23 Aug 2001 02:15:32 -0400 (EDT)
- References: <9lakuq$ca1$1@smc.vnet.net> <9lvgov$4nr$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Au,
There are several ways to find out about Mathematica functions:
1) Use ? or ??
?Series
With Mathematica 4.1, if you click on the word More that you will see at
the bottom right, you will be taken to the infomation in the Help Browser,
this will usually be the same as from the reference section of the book but
maybe with extra examples.
2) Search the Help Browser directly, by searching under menu>Help or by
highlighting the word, here Series, and using the menu>Help>Find Selected
Function (or keyboard equivalent, F1 in Windows).
3) Experiment- with symbolic entries where possible, so that you can see
what is happening:
Series[f[x],{x,a, 3}]
Series[f[x],{x,b, 5}]
Incidentally, if you just need the polynomial , use Normal:
Normal[Series[f[x],{x,a, 3}]]
--
Allan
---------------------
Allan Hayes
Mathematica Training and Consulting
Leicester UK
www.haystack.demon.co.uk
hay at haystack.demon.co.uk
Voice: +44 (0)116 271 4198
Fax: +44 (0)870 164 0565
"Au Han Bin" <auhb3 at cz3.nus.edu.sg> wrote in message
news:9lvgov$4nr$1 at smc.vnet.net...
> I am running a taylors exapnsion on sin[tanh[x]] -tanh[sin[x]]
>
> the command is series[f(x),{x,0,15}]
> what does the 0 and 15 represent? wat happens when i change 0 to 3?
>
> DO reply to my address at joshua_au at hotmail.com
>
> regards, an mathematica student
>
>
>