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MathGroup Archive 1997

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Re: list manipulation problem

  • To: mathgroup at smc.vnet.net
  • Subject: [mg9098] Re: list manipulation problem
  • From: steve at smc.vnet.net
  • Date: Mon, 13 Oct 1997 23:33:13 -0400
  • Sender: owner-wri-mathgroup at wolfram.com

In[1]:= {{a, b, c}, {d, e, f}, {g, h, i}}
 
Out[1]= {{a, b, c}, {d, e, f}, {g, h, i}}
 
In[2]:= Map[Take[#,2]&,%]
 
Out[2]= {{a, b}, {d, e}, {g, h}}

is another way. 

Steve Christnesen
Moderator

> From jason at pernet.com Thu Oct  9 20:29:16 1997
> To: comp-soft-sys-math-mathematica at moderators.uu.net
> From: jason at pernet.com (Jason Welter)
To: mathgroup at smc.vnet.net
> Subject: [mg9098] Re: list manipulation problem
> Date: Fri, 10 Oct 1997 00:22:23 GMT
> Message-ID: <343d74b9.20598713 at news.mindspring.com>
> Content-Length: 367
> 
> On 9 Oct 1997 01:42:53 -0400, Teemu Vesanen <Teemu.Vesanen at sci.fi>
> wrote:
> 
> >I have a list like
> >{{a, b, c}, {d, e, f}, {g, h, i}}
> >I need to delete the third term of each sublist.
> >In other words how do I make the list look like
> >{{a, b}, {d, e}, {g, h}}
> 
> lista = {{a, b, c}, {d, e, f}, {g, h, i}};
> answer = Transpose[{Transpose[lista][[1]],Transpose[lista][[2]]}];
> 
> 


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