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Re: Re: nesting while function

• To: mathgroup at smc.vnet.net
• Subject: [mg56822] Re: [mg56799] Re: nesting while function
• From: Namrata Khemka <namrata.khemka at gmail.com>
• Date: Sat, 7 May 2005 04:16:34 -0400 (EDT)
• References: <d5cst9$m3a$1@smc.vnet.net> <200505060700.DAA06174@smc.vnet.net>
• Reply-to: Namrata Khemka <namrata.khemka at gmail.com>
• Sender: owner-wri-mathgroup at wolfram.com

Hi, You forgot to initialize the value of j

In[1]:=
t = 0; i = 1;
 While[i <= 3,
  j=1;
   While[j <= 2,
     t = t + 1;
     j = j + 1];
   i = i + 1]
t

Out[3]=
6

> marloo3 at mail15.com wrote:
> > Hi
> > t = 0; i = 1; j = 1;
> > While[i <= 3,
> 
> j=1;
> 
> >   While[j <= 2,
> >     t = t + 1;
> >     j = j + 1];
> >   i = i + 1]
> >
> > give the result for t=2 and not 6 as should be
> >
> > but
> > t = 0; Do[
> >          Do[
> >              t = t + 1;
> >               , {j, 2}];
> >   , {i, 3}]
> >
> > give the value of 6 for t
> > is this a wrong behaviour for the "While" function ? or i miss something.
> > thanks
> >
> >

• References:
  • Re: nesting while function
    • From: Peter Pein <petsie@dordos.net>