Dear all
I've just been bitten by the same issue on documents that I created
during the first betas and compiled just fine then. Now in RC3 I need
to add, as suggested by Daniel, the following to the preamble:
\newcommand\makebeamertitle{\frame{\maketitle}}%
This looks like a LyX omission that should be fixed. Anyone care to
comment? Cheers
Liviu
On Mon, Feb 8, 2010 at 10:12 PM, Daniel E. Weeks <we...@pitt.edu> wrote:
> Daniel E. Weeks <weeks+@...> writes:
>
>>
>> I am using LyX to make Beamer slides while supporting the use of R
>> statistical commands via the Sweave package.
>>
>> If I follow the instructions found here
>>
>> http://ggorjan.blogspot.com/2008/09/using-beamer-with-lyx-sweave.html
>>
>> LyX/Sweave/Beamer works just fine. But as soon as I try to put in
>> Title or Author information at the beginning, LyX refuses to typeset
>> the presentation, returning instead this error message:
>>
>> Undefined control sequence.
>>
>> \makebeamertitle
>> The control sequence at the end of the top line
>> of your error message was never \def'ed. If you have
>> misspelled it (e.g., `\hobx'), type `I' and the correct
>> spelling (e.g., `I\hbox'). Otherwise just continue,
>> and I'll forget about whatever was undefined.
>>
>> This is mystifying to me, as the 'makebeamertitle' is defined in the
>> included beamer.layout now packaged with LyX.
>>
> [ Original posting shortened ]
>> LyX Version 1.6.4.1
>> Platform: Mac OS X Versoni 10.5.8 on an Intel machine.
>>
>>
>
>
> The solution to the "LyX Beamer Sweave: makebeamertitle not being defined"
> problem was to put this:
>
> \newcommand\makebeamertitle{\frame{\maketitle}}%
>
> in the LaTeX Preamble box, which is accessed via the Document -> Settings
> dialog
> box.
>
>
>
>
>
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