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Re: Creating a list of 1x2 element arrays without procedural programming

  • To: mathgroup at smc.vnet.net
  • Subject: [mg132077] Re: Creating a list of 1x2 element arrays without procedural programming
  • From: "Dr. Wolfgang Hintze" <weh at snafu.de>
  • Date: Mon, 2 Dec 2013 01:56:22 -0500 (EST)
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Am Sonntag, 1. Dezember 2013 14:13:01 UTC+1 schrieb amannucci:
> Is there a way in Mathematica using built-in functions to create what the following procedural program does?
> 
> 
> 
> latlong = {}
> 
> Do[AppendTo[latlong, {i, j}] , {i, 30.0, 45.0, 
> 
>    5.0}, {j, -270.0, -240.0, 10.0}];
> 
> latlong
> 
> 
> 
> Out:
> 
> {{30., -270.}, {30., -260.}, {30., -250.}, {30., -240.}, {35., \
> 
> -270.}, {35., -260.}, {35., -250.}, {35., -240.}, {40., -270.}, {40., \
> 
> -260.}, {40., -250.}, {40., -240.}, {45., -270.}, {45., -260.}, {45., \
> 
> -250.}, {45., -240.}}
> 
> 
> 
> Thanks!
> 
> 
> 
> -Tony

In[23]:= Flatten[
 Table[{30 + 5*i, -270 + 10*j}, {i, 0, 3}, {j, 0, 3}], 1]

Out[23]= {{30, -270}, {30, -260}, {30, -250}, {30, -240}, {35, -270}, \
{35, -260}, {35, -250}, {35, -240}, {40, -270}, {40, -260}, {40, \
-250}, {40, -240}, {45, -270}, {45, -260}, {45, -250}, {45, -240}}

Regards,
Wolfgang



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