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Groups > comp.soft-sys.math.mathematica > #1851

Re: How to roll up multiple Line calls into a loop

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On 4/22/11 5:41 AM, in article iorih5$o6t$1@smc.vnet.net, "Sol Lederman"
<sol.lederman@gmail.com> wrote:

> Hi,
> 
> I'm new to Mathematica.
> 
> I have the following bit of graphics:
> 
>    Graphics[{
>   Line[{{0, 10}, {1, 0}}],
>   Line[{{0, 9}, {2, 0}}],
>   Line[{{0, 8}, {3, 0}}],
>   Line[{{0, 7}, {4, 0}}],
>   Line[{{0, 6}, {5, 0}}],
>   Line[{{0, 5}, {6, 0}}],
>   Line[{{0, 4}, {7, 0}}],
>   Line[{{0, 3}, {8, 0}}],
>   Line[{{0, 2}, {9, 0}}],
>   Line[{{0, 1}, {10, 0}}],
>   }]
> 
> 
> I want to simplify it to do some sort of iteration to compute the end points
> of the lines. I can do this easily in a variety of procedural languages but
> I haven't yet grokked how Mathematica would do this.
> 
> 
> Would someone please show me the short way, I imagine using Table somehow?

The following will do it:

Graphics[
 Table[Line[{{0, 10 - k + 1}, {k, 0}}], {k, 1, 10}]
]

I keep wishing there were some way to do this using a replacement rule or an
iteration specifier tacked on to the end of the line.

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Thread

How to roll up multiple Line calls into a loop Sol Lederman <sol.lederman@gmail.com> - 2011-04-22 09:41 +0000
  Re: How to roll up multiple Line calls into a loop Dan <dflatin@rcn.com> - 2011-04-23 11:50 +0000
    Re: How to roll up multiple Line calls into a loop "Christopher O. Young" <cy56@comcast.net> - 2011-04-25 11:29 +0000
  Re: How to roll up multiple Line calls into a loop Albert Retey <awnl@gmx-topmail.de> - 2011-04-23 11:51 +0000
  Re: How to roll up multiple Line calls into a loop "Christopher O. Young" <cy56@comcast.net> - 2011-04-23 11:51 +0000
  Re: How to roll up multiple Line calls into a loop Helen Read <readhpr@gmail.com> - 2011-04-23 11:51 +0000
  Re: How to roll up multiple Line calls into a loop Peter Pein <petsie@dordos.net> - 2011-04-23 11:52 +0000
  Re: How to roll up multiple Line calls into a loop roby <roby.nowak@gmail.com> - 2011-04-23 11:52 +0000
  Re: How to roll up multiple Line calls into a loop Yves Klett <yves.klett@googlemail.com> - 2011-04-24 12:24 +0000
    Short-cut for reiteration, via postfix usage of Table as pure "Christopher O. Young" <cy56@comcast.net> - 2011-04-25 11:27 +0000
    Short-cut for reiteration, via postfix usage of Table as pure "Christopher O. Young" <cy56@comcast.net> - 2011-04-25 11:27 +0000
      Re: Short-cut for reiteration, via postfix usage of Table as pure Peter Pein <petsie@dordos.net> - 2011-04-26 10:51 +0000
      Re: Short-cut for reiteration, via postfix usage of Table as pure Peter Pein <petsie@dordos.net> - 2011-04-26 10:50 +0000
        Re: Short-cut for reiteration. Concise, readable symbols and "Christopher O. Young" <cy56@comcast.net> - 2011-04-27 09:38 +0000

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