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nesting while function

• To: mathgroup at smc.vnet.net
• Subject: [mg56758] nesting while function
• From: marloo3 at mail15.com
• Date: Thu, 5 May 2005 06:01:57 -0400 (EDT)
• Sender: owner-wri-mathgroup at wolfram.com

Hi
t = 0; i = 1; j = 1;
While[i <= 3,
  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

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