Re: Using Map with function that has options...
- To: mathgroup at smc.vnet.net
- Subject: [mg68494] Re: Using Map with function that has options...
- From: Jean-Marc Gulliet <jeanmarc.gulliet at gmail.com>
- Date: Tue, 8 Aug 2006 06:28:27 -0400 (EDT)
- Organization: The Open University, Milton Keynes, UK
- References: <eb6k2b$nkt$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
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
>
Hi Giacomo,
The following should do what you are looking for:
expr1 = x^2;
expr2 = F[D[y[x], x], D[y[x], x, x]] == Sin[x]*Cos[x];
expr3 = 1224.537;
myMessage = StringJoin @@ ToString /@
TraditionalForm /@ {expr1, expr2, expr3}
HTH,
Jean-Marc