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MathGroup Archive 2002

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Re: Mathematica 3.0

  • To: mathgroup at smc.vnet.net
  • Subject: [mg36782] Re: [mg36767] Mathematica 3.0
  • From: Vladimir Bondarenko <vvb at mail.strace.net>
  • Date: Wed, 25 Sep 2002 01:51:03 -0400 (EDT)
  • Reply-to: Vladimir Bondarenko <vvb at mail.strace.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Shyam Sunder Gupta guptass at rediffmail.com writes:

SSG> I noticed that n Mathematica 3.0 , IntegerDigits function is
SSG> giving wrong results. This problem is not found in Mathematica
SSG> 4.1. Whether anybody else has also noted any such problem.
SSG> For example IntegerDigits[10^18+7] will give the digits 0
SSG> and 7, omitting 1.

Having made totally 4,000,000 attemtps,
I was not able to reproduce your example.

What version of Mathematica do you use?

......................................................

"4.2 for Microsoft Windows (February 28, 2002)"
"4.1 for Microsoft Windows (November 2, 2000)"
"4.0 for Microsoft Windows (April 21, 1999)"
"Microsoft Windows 3.0 (April 25, 1997)"
"Windows 387 2.2 (April 9, 1993)"

IntegerDigits[10^18 + 7]
IntegerDigits[10^18 + 7]
IntegerDigits[10^18 + 7]
IntegerDigits[10^18 + 7]
IntegerDigits[10^18 + 7]

{1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,7}
{1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,7}
{1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,7}
{1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,7}
{1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,7}

......................................................


Best wishes,

Vladimir Bondarenko
Mathematical Director
Symbolic Testing Group
Email :  vvb at mail.strace.net

Web   :  http://www.CAS-testing.org/

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