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MathGroup Archive 1999

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Re: problem with 'FortranForm' of Mathematica 3.0

  • To: mathgroup at smc.vnet.net
  • Subject: [mg17949] Re: problem with 'FortranForm' of Mathematica 3.0
  • From: "David Keith" <dkeith at sarif.com>
  • Date: Sat, 5 Jun 1999 02:56:12 -0400
  • Organization: Hevanet Communications
  • References: <7j591c$fuv@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

I think it does this because it isn't a Real. It has FullForm:

     Times[Rational[1,12],Power[7,Rational[1,2]]]

Using N[] or //N will allow FortranForm to work as you expect:

    In[8]:=FortranForm[Sqrt[7]/12]//N
    Out[8]//FortranForm=0.2204792759220492

Now, can anyone tell me how to make Outlook Express quit assuuming //
indicates a hyperlink to a file?

Dave

Xiaogang Wang wrote in message <7j591c$fuv at smc.vnet.net>...
> I found Mathematica 3.0's command 'FortranForm' gives bad results!!
>
>Example:
>>FortranForm[Sqrt[7]/12]
>
>Sqrt(7)/11.99999999999999
>
>while Mathematica 2.2.3 gives correct results
>
>How to solve this small 'bug'? Thanks!
>
>Xiaogang Wang
>
>
>




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