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MathGroup Archive 2004

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Re: List operation

  • To: mathgroup at smc.vnet.net
  • Subject: [mg45630] Re: List operation
  • From: Mariusz Jankowski<mjankowski at usm.maine.edu>
  • Date: Fri, 16 Jan 2004 19:57:08 -0500 (EST)
  • Organization: University of Southern Maine
  • References: <bu8j16$au9$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Use Thread[{x,y}]

Mariusz

>>> Dr. Wolfgang Hintze<weh at snafu.de> 1/16/2004 6:47:50 AM >>>
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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