R help - Oct 2010 - plotmath: how to use greek symbols in expression(integral(f(tau)*dtau, 0, t))?

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?

Best regards,
Ryszard


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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
> 
> 
> --------------------------------------------------------------------------
> Confidentiality Notice: This message is private and may ...{{dropped:11}}
> 
> ______________________________________________
> R-help at r-project.org mailing list
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> PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
-- 
Peter Dalgaard
Center for Statistics, Copenhagen Business School
Solbjerg Plads 3, 2000 Frederiksberg, Denmark
Phone: (+45)38153501
Email: pd.mes at cbs.dk  Priv: PDalgd at gmail.com

Try

expression(paste(integral(),"f(",tau,")
d",tau,sep="")))

it works for me.

-tgs

On Mon, Oct 4, 2010 at 9:25 AM, Czerminski, Ryszard <
Ryszard.Czerminski@astrazeneca.com> 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?
>
> Best regards,
> Ryszard
>
>
> --------------------------------------------------------------------------
> Confidentiality Notice: This message is private and may ...{{dropped:11}}
>
> ______________________________________________
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
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