Re: Working in Modules
- To: mathgroup at smc.vnet.net
- Subject: [mg15924] Re: Working in Modules
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Wed, 17 Feb 1999 23:33:57 -0500
- Organization: Universitaet Leipzig
- References: <7a2c0d$1ul@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Hi Don,
you must assign a result to your replacement.
init[n_Integer]:=Module[
{s=Table[Random[Integer],{n n}]},
s=s/.{0->-1};
Partition[s,n]
]
will work.
The second works because the return value of a Module[] is
the last evaluated expression.
Hope that helps
Jens
Dr D McK Paul wrote:
>
> This is my third attempt to post this question. No idea why it doesnt
> work. I'm not an expert in Mathematica and would appreciate comments on
> why init1 returns a list with all zeros replaced by -1, but init does
> not. Its probably very simple but its confused me.
>
> Don
>
> init[n_Integer]:=Module[
> {s=Table[Random[Integer],{n n}]},
> s/.{0->-1};
> Partition[s,n]
> ]
>
> init1[n_Integer]:=Module[
> {s=Table[Random[Integer],{n n}]},
> s/.{0->-1}
> ]