On Friday, May 11, 2012 3:37:54 PM UTC+8, Snark wrote:
>
> Le Fri, 11 May 2012 07:16:35 +0000 (UTC),
> Simon King <simon.k...@uni-jena.de> a écrit :
>
> > Hi,
> >
> > On 2012-05-11, Keshav Kini <keshav.k...@gmail.com> wrote:
> > > kcrisman <kcris...@gmail.com> writes:
> > >> To be clear, are you complaining about defining *only* x or that x
> > >> *is*, in fact, predefined? In any case, this is a discussion we
> > >> probably don't need to rehash now, granted that there will never be
> > >> peace between the Python purists and Maple wannabes.
> > >
> > > That x *is*, in fact, predefined. It misleads the user into
> > > expecting that other variable names will also be predefined,
> > > whereas in fact they are not.
> >
> > IIRC, the canonical answer to the request "do not predefine x" is:
> > "That's not gonna happen, because way too many people expect to have a
> > variable x handy."
> >
> > Anyway.
> >
> > I don't like pre-defining x either.
>
> Would the following be possible -- instead of :
> <<<
> sage: y
> ---------------------------------------------------------------------------
>
> NameError Traceback (most recent call
> last)
>
> /home/jpuydt/sage-5.0.beta14/<ipython console> in <module>()
>
> NameError: name 'y' is not defined
> >>>
> have :
> <<<
> sage: y
> ---------------------------------------------------------------------------
>
> NameError Traceback (most recent call
> last)
>
> /home/jpuydt/sage-5.0.beta14/<ipython console> in <module>()
>
> NameError: name 'y' is not defined -- perhaps you need to type var('y')
> first ?
> >>>
> ?
>
> That way sage still doesn't define things in the user's back, which
> would cause problems, as already mentioned in this thread -- but
> newcomers wouldn't get stuck needlessly either.
>
> Snark on #sagemath
This is a good idea IMHO. It helps the uninitiated slowly start getting
acquainted without having to jump into the docs.
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