RE: Q: Extract Elements from a List?
- To: mathgroup at smc.vnet.net
- Subject: [mg29092] RE: [mg28968] Q: Extract Elements from a List?
- From: "Wolf, Hartmut" <Hartmut.Wolf at t-systems.de>
- Date: Tue, 29 May 2001 02:57:20 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
Robert,
In[5]:= Take[list, {start, -1, step}]
Out[5]= {c, e, g, i}
-- Hartmut
> -----Original Message-----
> From: Robert Schuerhuber [mailto:robert.schuerhuber at gmx.at]
To: mathgroup at smc.vnet.net
> Sent: Wednesday, May 23, 2001 7:55 AM
> To: mathgroup at smc.vnet.net
> Subject: [mg29092] [mg28968] Q: Extract Elements from a List?
>
>
> hi!
>
> probably a very easy question, but i couldn't find an answer in the
> mathematica-book:
>
> i need to extract elements from a list, starting th element
> number x and
> than taking every yth element, eg:
>
> with
>
> list={a,b,c,d,e,f,g,h,i,j}
> start=3;
> step=2:
>
> i'd like to get the list
>
> {c,e,g,i}.
>
> how can i do this in the easiest way?
>
> regards, robert
>
>