On Sun, Mar 30, 2008 at 05:25:00PM -0400, Alan Bromborsky wrote:
>
> Alan Bromborsky wrote:
> > 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.
> >
> > >
> >
> >
> Also an option to just pass unicode through Symbol() would be useful if
> someone wants to use a unicode character that is not implemented in your
> conventions such as partial, nabla, etc.!
You can pass uincode strings to Symbol already:
In [1]: a = Symbol('ПРИВЕТ')
In [2]: a
Out[2]: ПРИВЕТ
In [3]: sin(a)
Out[3]: sin(ПРИВЕТ)
there is a problem with it though:
http://code.google.com/p/sympy/issues/detail?id=769
--
Всего хорошего, Кирилл.
http://landau.phys.spbu.ru/~kirr/aiv/
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