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MathGroup Archive 2004

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List operation

  • To: mathgroup at smc.vnet.net
  • Subject: [mg45617] List operation
  • From: "Dr. Wolfgang Hintze" <weh at snafu.de>
  • Date: Fri, 16 Jan 2004 06:05:45 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

Given two lists

In[7]:=
x = {a, b, c}
y = {A, B, C}

I'm looking for the list of pairs

z = {{a, A}, {b, B}, {c, C}}

Defining the function

In[5]:=
paarweise[x_, y_, n_] := Table[{x[[i]], y[[i]]}, {i, 1, n}]

gives

In[6]:=
z = paarweise[x, y, 3]

Out[6]=
{{a, A}, {b, B}, {c, C}}

I'm sure there is a more elegant way to get such a list of pairs.
Any help is appreciated.

Wolfgang Hintze


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