Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.soft-sys.math.mathematica > #1887

Re: Mathematica loop question

From Patrick Scheibe <pscheibe@trm.uni-leipzig.de>
Newsgroups comp.soft-sys.math.mathematica
Subject Re: Mathematica loop question
Date 2011-04-26 10:51 +0000
Organization Steven M. Christensen and Associates, Inc and MathTensor, Inc.
Message-ID <ip683f$bn6$1@smc.vnet.net> (permalink)

Show all headers | View raw


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
> 


Back to comp.soft-sys.math.mathematica | Previous | Next | Find similar | Unroll thread


Thread

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

csiph-web