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Re: Creating an ordered list of pairs

  • To: mathgroup at smc.vnet.net
  • Subject: [mg132089] Re: Creating an ordered list of pairs
  • From: "Dr. Wolfgang Hintze" <weh at snafu.de>
  • Date: Mon, 2 Dec 2013 02:00:22 -0500 (EST)
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Am Sonntag, 1. Dezember 2013 14:22:36 UTC+1 schrieb amannucci:
> How do I create an ordered list of pairs of the following structure:
> 
> {{x1,y1}, {x2,y2}, {x3,y3}, ...} ? I want x1, x2, and x3 to be increasing in constant-interval steps (e.g. 1,2,3) and similarly for the y's (e.g. 5,10,15). E.g. 
> 
> {{1,5}, {1,10}, {1,15}, {2, 5}, {2,10}, ...} etc.
> 
> 
> 
> I cannot figure out how to do this with Table or Array. Is there another function that will do this? 
> 
> 
> 
> Table does not create the correct nesting or structure.
> 
> 
> 
> Thanks!
> 
> 
> 
> -Tony

In[19]:= Table[{i, 5*j}, {i, 1, 3}, {j, 1, 3}]

Out[19]= {{{1, 5}, {1, 10}, {1, 15}}, {{2, 5}, {2, 10}, {2, 
   15}}, {{3, 5}, {3, 10}, {3, 15}}}

Best regards,
Wolfgang



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