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Re: Mathematica loop question

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  Re: Mathematica loop question Patrick Scheibe <pscheibe@trm.uni-leipzig.de> - 2011-04-26 10:51 +0000

#1887 — Re: Mathematica loop question

Hi,

if you're just interested in the pattern you could create a simpler one
and rotate it:

With[{num = 10, m = RotationMatrix[3/4 Pi]},
 Graphics[{Table[Disk[m.{i, j}, 0.25], {i, 0, num}, {j, 0, i}]}]
 ]

Cheers
Patrick

On Tue, 2011-04-26 at 04:43 -0400, Sol Lederman wrote:
> Hi,
> 
> I'm teaching myself Mathematica.
> 
> I've plotted this:
> 
>    Graphics[{
>   Blue,
>   Disk[{5, 10}, .25],
>   Disk[{4, 9}, .25],
>   Disk[{6, 9}, .25],
>   Disk[{3, 8}, .25],
>   Disk[{5, 8}, .25],
>   Disk[{7, 8}, .25],
>   Disk[{2, 7}, .25],
>   Disk[{4, 7}, .25],
>   Disk[{6, 7}, .25],
>   Disk[{8, 7}, .25],
>   Disk[{1, 6}, .25],
>   Disk[{3, 6}, .25],
>   Disk[{5, 6}, .25],
>   Disk[{7, 6}, .25],
>   Disk[{9, 6}, .25]
>   }]
> 
> 
> Is there an elegant way to write this without a bunch of Disk statements?
> I'm imagining that this would be a double nested loop.
> 
> 
> Thanks.
> 
> 
> Sol
> 

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