Matthias Blaicher <blaicher <at> googlemail.com> writes:
> There is the sweave LaTeX command \Sexpr{ foo } which allows you to
> directly insert the content of foo into the document. Let's say there
> is a variable foo_bar then I can access foo_bar by inserting an ERT
> \Sexpr{foo_bar}. This works fine in text but NOT in math mode. It
> always wants to escape the underscore to \Sexpr{foo_{b}ar} .
>
> So how can I insert true raw ERT commands in math mode or is this
> perhaps even not possible?
I don't know that there is any way to use an underscore as part of a variable
name and have it survive math mode. Here's a workaround:
In ERT: \def\temp{\Sexpr{foo_bar}}
In math inset: $blah blah \temp blah blah$
/Paul
