On Sun, Mar 29, 2009 at 4:13 PM, Rob Beezer <goo...@beezer.cotse.net> wrote:
> So is the following *hypothetical* behavior not possible (or not
> desirable)?
>
> sage: preparse(  'differentiate(y^3, y)' )
> '_ = var("y"); differentiate(y**Integer(3), y)'
>
> If such a thing were indeed possible, I think it would make simple
> uses of Sage for calculus a whole lot easier for students.

I agree with William's response.  In addition, I think it would be confusing if:

differentiate(y^3, y)

worked, but

expr = y^3
differentiate(expr, y)

failed.

Carl

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