[R] plotmath: how to use greek symbols in expression(integral(f(tau)*dtau, 0, t))?

[peter dalgaard]

On Oct 4, 2010, at 15:25 , Czerminski, Ryszard wrote:

> I would like to use greek "tau" as a symbol of variable to integrate
> over in plotmath
> 
> expression(integral(f(tau)*dtau, 0,t))
> 
> but nothing seems to work. I tried d{\tau}, d\tau, etc.,
> without any success
> 
> Is it possible? How can I accomplish this?

I'd try
...f(tau)~d*tau...



> 
> Best regards,
> Ryszard
> 
> 
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-- 
Peter Dalgaard
Center for Statistics, Copenhagen Business School
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