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MathGroup Archive 2007

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Re: List manipulation

  • To: mathgroup at smc.vnet.net
  • Subject: [mg73259] Re: [mg73248] List manipulation
  • From: János <janos.lobb at yale.edu>
  • Date: Fri, 9 Feb 2007 02:16:53 -0500 (EST)
  • References: <200702080848.DAA05054@smc.vnet.net>

On Feb 8, 2007, at 3:48 AM, sepp wrote:

> hello,
> I would like to combine list elements in the following way:
>
> I have a list with
> liste={{a1,a2,a3},{b1,b2,b3},{c1,c2,c3},.....}
> and a single element {e}
>
>
> I would to add the element {e} to each sublist to get something like
> liste_new={ {a1,a2,a3,e},{b1,b2,b3,e},{c1,c2,c3,e},.....}
> so that finally I can apply a function f on the list
> liste_manipulated={f[ {a1,a2,a3,e}],f[{b1,b2,b3,e}],f
> [{c1,c2,c3,e}],.....}
>
> I had a look at thread, mapthread, inner, outer, but nothing really
> seems to fit...
> thank you in advance for useful comments!
>

Here is a newbie approach:

In[2]:=
elist = {e}
Out[2]=
{e}

In[4]:=
liste_new =
   (Join[#1, elist] & ) /@
    liste
Out[4]=
{{a1, a2, a3, e},
   {b1, b2, b3, e},
   {c1, c2, c3, e}}

J=E1nos


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