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MathGroup Archive 2006

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Re: Using Map with function that has options...

  • To: mathgroup at smc.vnet.net
  • Subject: [mg68495] Re: Using Map with function that has options...
  • From: "Norbert Marxer" <marxer at mec.li>
  • Date: Tue, 8 Aug 2006 06:28:28 -0400 (EDT)
  • References: <eb6k2b$nkt$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Hi Giccomo

Try

myMessage = StringJoin @@ Map[ToString[TraditionalForm[#]] &, exprs]

or if you want to have each expression on a separate line

myMessage = StringJoin @@ Map[ToString[TraditionalForm[#]] <> "\n" &,
exprs]

I used for testing

exprs = {8, "hello", x^4, Integrate[x^3, {x, a, b}]}

Best Regards
Norbert Marxer
www.mec.li



Giacomo Ciani wrote:
> I have several expressions I whant to convert to string and then
> concatenate togheter to create a message to be sent to the standard
> output and written on a text log file. To avoid manually appliyng
> ToString to each of them, I'm using something like:
>
> myMessage = StringJoin@@Map[ToString,{expr1,expr2,expr3,...,exprN}]
>
> The problem is that I would like to specify the option
> "TraditionalForm" for ToString (without that, the exponents are written
> on a different line compromising the formatting), but I can't
> understand if using this tecnique I can do that, and how.
>
> Obviously I can solve the problem with an explicit loop over the
> element of the array, but I was looking for a more elegant solution...
> any idea?
>
> Thanks
>
> Giacomo
> 
> P.S. expr are in general both strings or numeric values


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