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Ondrej Certik | 6 Dec 2010 09:40
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Re: Regarding expression

Hi premkiran,

On Mon, Dec 6, 2010 at 12:32 AM, premkiran <premiitm123@...> wrote:
> Is there a way to convert string expression to Numeric expression so
> that that can be put into simplify method.As otherwise ,the error is
>     if expr.is_Pow:
> AttributeError: 'str' object has no attribute 'is_Pow'

Can you post the whole session?

Normally, you would do:

In [1]: a = sympify("2/3")

In [2]: a
Out[2]: 2/3

Ondrej

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prem kiran | 6 Dec 2010 09:58
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Re: Regarding expression

CHECK THE ABOVE FILES

On Mon, Dec 6, 2010 at 2:10 PM, Ondrej Certik <ondrej-qoWwgFDjEAKlVyrhU4qvOw@public.gmane.org> wrote:
Hi premkiran,

On Mon, Dec 6, 2010 at 12:32 AM, premkiran <premiitm123-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> Is there a way to convert string expression to Numeric expression so
> that that can be put into simplify method.As otherwise ,the error is
>     if expr.is_Pow:
> AttributeError: 'str' object has no attribute 'is_Pow'

Can you post the whole session?

Normally, you would do:


In [1]: a = sympify("2/3")

In [2]: a
Out[2]: 2/3


Ondrej

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IIT MADRAS
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premkiran | 6 Dec 2010 10:02
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Re: Regarding expression

THE ABOVE THING IS NOT WORKING IS SHOWING THE SAME ERROR
PS:CHANGE "SIMPIFY" TO "SIMPLIFY" AND TRY

On Dec 6, 1:40 pm, Ondrej Certik <ond...@...> wrote:
> Hi premkiran,
>
> On Mon, Dec 6, 2010 at 12:32 AM, premkiran <premiitm...@...> wrote:
> > Is there a way to convert string expression to Numeric expression so
> > that that can be put into simplify method.As otherwise ,the error is
> >     if expr.is_Pow:
> > AttributeError: 'str' object has no attribute 'is_Pow'
>
> Can you post the whole session?
>
> Normally, you would do:
>
> In [1]: a = sympify("2/3")
>
> In [2]: a
> Out[2]: 2/3
>
> Ondrej

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