Kirill Smelkov wrote:
> Hi Alan,
>
> On Sun, Mar 30, 2008 at 02:58:56PM -0400, Alan Bromborsky wrote:
>
>> Kirill Smelkov wrote:
>>
>>> Hi Alan,
>>>
>>> On Sun, Mar 30, 2008 at 02:28:48PM -0400, Alan Bromborsky wrote:
>>>
>>>
>>>> How difficult would it be to allow one to create symbols in sympy with
>>>> unicode names. I would like to be able to print out super and sub
>>>> scripts without using latex formatting.
>>>>
>>>>
>>> super & subscripts are already possible:
>>>
>>> In [1]: F = Symbol('F^1_0')
>>>
>>> In [2]: F
>>> Out[2]: F¹₀
>>>
>>> In [3]: sin(F)
>>> Out[3]: sin(F¹₀)
>>>
>>> Is this what you want?
>>>
>>>
>>>
>> My second question is how I do this in a python program for I get
>>
>> >>>import sympy
>> >>> F = sympy.Symbol('F^1_0')
>> >>> F
>> F^1_0
>> >>> print F
>> F^1_0
>>
>
> For this you need pprint:
>
>
>>>> from sympy import *
>>>> F = Symbol('F^1_0')
>>>> F
>>>>
> F^1_0
>
>>>> pprint(F)
>>>>
> F¹₀
>
>>>> pprint(sin(F)/2)
>>>>
> sin(F¹₀)
> ────────
> 2
>
>
> In fact, pprint is used internally in isympy as the displayer.
>
>
A suggestion for sympy would be to also implement as a switch in __str__
so that calling the switch function, say "pp_on()" or "pp_off()" would allow
you to simply use print for both pretty and normal printing and turn
pretty printing
on or off by calling the appropriate switch function.
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