[R] expressions on graphs

[Paul Murrell]

Hi


> I am trying to get a time derivative on a plot title.  I prefer to have
> it in the form \dot{s_i}, but \partial s_i/\partial t would be O.K.  In
> the graphics demo I cannot find either a dot or a partial equivalent.


Ben Bolker has submitted a patch to allow plotmath expressions of the form
...

    dot(x)

... but it needs a bit more fine-tuning.  For example, producing something
along the lines of dot(s[i]) puts the dot a bit too close to the expression
I think.  If you are able to (re)compile R, I could send you a patched file
that would let you use what we currently have.  I'd be interested in your
comments on the "look" of what we've got -- if you can't use a patched file
yourself, could I send you some sample postscript output for you to look at?

Paul

p.s. Ben, having thought a little more about this, we probably only want the
"dotmath" version (code = 215) (?)

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