 
 
 
 
 
 
Re: ToExpression[..,TexForm] does not seem to work on some Latex commands?
- To: mathgroup at smc.vnet.net
- Subject: [mg104398] Re: [mg104351] ToExpression[..,TexForm] does not seem to work on some Latex commands?
- From: "Nasser M. Abbasi" <nma at 12000.org>
- Date: Fri, 30 Oct 2009 02:19:24 -0500 (EST)
- References: <20091029064833.6LNIU.751671.imail@eastrmwml34>
- Reply-to: "Nasser M. Abbasi" <nma at 12000.org>
From: "Bob Hanlon"
> Put a space after sum in the TeX
>
> s = TeXForm[Sum[f[n], {n, 1, m}]]
>
> \sum _{n=1}^m f(n)
>
> Note the space after sum in the above output
>
> ToExpression["\\sum _{n=1}^m f(n)", TeXForm]
>
> Sum[f[n], {n, 1, m}]
>
> ToExpression["\\sum _ {n=1}^m f(n)", TeXForm]
>
> Sum[f[n], {n, 1, m}]
>
>
> Bob Hanlon
>
hello;
I did.
With or without space, I get the same error. Which version you used? I am 
using version 7
In[1]:= ToExpression["\\sum _{n=1}^m f(n)", TeXForm]
During evaluation of In[1]:= ToExpression::esntx:Could not parse \sum 
_{n=1}^m f(n) as Mathematica input.
Out[1]= $Failed
Thanks
--Nasser

