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MathGroup Archive 2003

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Re: simple question if/while loop

  • To: mathgroup at smc.vnet.net
  • Subject: [mg40109] Re: simple question if/while loop
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Fri, 21 Mar 2003 02:36:20 -0500 (EST)
  • Organization: Universitaet Leipzig
  • References: <b5bk79$5t4$1@smc.vnet.net>
  • Reply-to: kuska at informatik.uni-leipzig.de
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,

you forgott a semicolon

TestFun[] := Module[{a, tb, n}, tb = Table[0.0, {4}];
    n := 1;
    a := Random[];
    While[n < 5, 
     If[a > .5, 
       (tb[[n]] = a; n++;),
       Continue[]]
     ]; (* <==== here ! *)
    tb
  ]

Regards
  Jens

s kp wrote:
> 
> I am trying to do the following for a test purpose so I am a learning mathematica
> 
> TestFun[] := Module[{a, tb, n},
>     tb = Table[0.0, {4}];
>     n := 1;
>     a := Random[];
>     While[n < 5,
>         If[ a > .5,
>           (tb[[n]] = a;
>             n++;), Continue[]
>           ]
>         ]
>       tb
>     ]
> 
> The output that I get is
> 
> {0.871577 Null, 0.512558 Null, 0.00441806 Null, 0.520545 Null}
> 
> Why am I doing wrong here and what is the correct way to do the above thing using If and While loop?
> 
> thanks
> 
>


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