#4697: change integration error message
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Reporter: was | Owner: burcin
Type: enhancement | Status: new
Priority: major | Milestone: sage-3.2.2
Component: calculus | Keywords:
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Fix the following instance by a trivial change to raising an exception.
This causes tons of confusion for (new) users, since there isn't any way
to easily "discover" what to do.
{{{
On Dec 4, 3:07 pm, "William Stein" <[EMAIL PROTECTED]> wrote:
> Do you think it would be better if instead of
>
> sage: print integrate(integrate(f,y,x^3,x^0.5),y,0,1)
> ... Is x positive or negative?
>
> one saw:
> ... Is x positive or negative? (Try using the assume command.)
I think the latter is more intuitive; in fact, I would go as far as to
do something like this:
... Is x positive or negative? (Try the assume(x>0) command before
integral evaluation)
Thanks,
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4697>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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