On Mon, Jan 21, 2008 at 06:54:15AM -0500, Neal Becker wrote:
>
> On Sunday 20 January 2008, Ondrej Certik wrote:
> > On Jan 20, 2008 8:25 PM, Fabian Steiner <[EMAIL PROTECTED]> wrote:
> > > Hello!
> > >
> > > Is there any way to instruct sympy to use real numbers only?
> > >
> > > In [1]: from sympy import *
> > >
> > > In [2]: x = Symbol('x', real=True)
> > >
> > > In [3]: sqrt(x**2-3)
> > >
> > > Out[3]: I*(3 - x**2)**(1/2)
> >
> > It doesn't do that anymore, we fixed that in the hg.
> >
>
> hg tip
> changeset: 1704:75067997d489
>
> I still see this above behavior.
In [1]: x = Symbol('x', real=True)
In [2]: sqrt(x**2-3)
Out[2]:
⎽⎽⎽⎽⎽⎽⎽⎽⎽
╱ 2
╲╱ -3 + x
In [3]: Basic.set_repr_level(1)
Out[3]: 2
In [4]: sqrt(x**2-3)
Out[4]: ((-3) + x**2)**(1/2)
What's your 'hg parents'? Mine is 75067997d489:
[EMAIL PROTECTED]:~/src/sympy/sympy$ hg parents
changeset: 1704:75067997d489
tag: tip
user: Kirill Smelkov <[EMAIL PROTECTED]>
date: Sat Jan 19 02:38:47 2008 +0300
summary: Or Dvory added to credits
If 'hg parents' != 'hg tip' -- try 'hg update' to update working dir to
the latest revision.
Also, ./setup.py clean might help.
--
Всего хорошего, Кирилл.
http://landau.phys.spbu.ru/~kirr/aiv/
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