On Dec 11, 11:34 pm, "Ondrej Certik" <[EMAIL PROTECTED]> wrote:
> On Dec 11, 2007 7:25 PM, Suresh Jeevanandam <[EMAIL PROTECTED]> wrote:
>
>
>
>
>
> > Dear all,
> > I want to propose these features.
>
> > The symbols must include these informations as well, these would be
> > optional while symbol creation.
> > 1) typical range
> > 2) typical value ( the symbol would take a value around this value.)
>
> > The Expression class must have functions which can calculate the
> > typical range, value the expression can take.
>
> > I think atleast the basic functionality should be easily
> > implementable, IMHO this would be very useful for a practical user.
>
> > Eg.
> > a = Symbol('a', typical_range=(0,10))
> > b = Symbol('b', typical_range=(0,5.5))
> > c = a*b
> > c.typical_range()
> > (0,55)
>
> > a.typical_value = 3.0
> > b.typical_value = 2.5
> > c.typical_value()
> > 7.5
>
> Thanks Suresh for proposing this. It is now an issue 489:
>
> http://code.google.com/p/sympy/issues/detail?id=489
>
> Ondrej
Thanks Ondrej, Kirill for the quick responses.
regards,
Suresh
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