Thanks Murdoch. I tried PHI but not Phi.

Arnaud


2013/9/17 Duncan Murdoch <murdoch.duncan@gmail.com>

> On 17/09/2013 3:26 PM, Arnaud Mosnier wrote:
>
>> Hi all,
>>
>> I want to present a figure including the uppercase and lowercase version
>> of
>> the greek letter phi.
>>
>> I know that I can use "expression" to have the symbol like in:
>>
>> plot(1~1, main = expression(phi))
>>
>> But, is there somewhere things like upper(phi) or lower(phi) ?
>>
>
> No functions for that.  You just need to give the letters in lowercase or
> uppercase:  lowercase is phi, uppercase is Phi.  Run
> demo(plotmath) for more hints.
>
> Duncan Murdoch
>
>

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