Re: Mathematica loop question
- To: mathgroup at smc.vnet.net
- Subject: [mg118406] Re: Mathematica loop question
- From: Patrick Scheibe <pscheibe at trm.uni-leipzig.de>
- Date: Wed, 27 Apr 2011 05:37:37 -0400 (EDT)
Hi,
I think you don't need the yMax at all. It's just
Module[{num = 10, m = RotationMatrix[3/4 Pi]},
Graphics[{EdgeForm@Directive[Thin, Black],
Table[{ColorData["TemperatureMap"][Abs[i - j]/num],
Disk[m.{i, j}, 0.4]}, {i, 0, num}, {j, 0, i}]}]]
Cheers
Patrick
On Tue, 2011-04-26 at 12:37 -0500, DrMajorBob wrote:
> Or this (after Patrick Scheibe):
>
> Module[{num = 10, m = RotationMatrix[3/4 Pi], yMax},
> yMax = Last[m.{num, 1}];
> Graphics[{EdgeForm@Directive[Thin, Black],
> Table[{x, y} = m.{i, j}; {ColorData["TemperatureMap"][y/yMax],
> Disk[{x, y}, 0.4]}, {i, 0, num}, {j, 0, i}]}]]
>
> Bobby
>
> On Tue, 26 Apr 2011 03:43:16 -0500, Sol Lederman <sol.lederman at gmail.com>
> 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
>
>