On Feb 20, 12:54 pm, kcrisman <[EMAIL PROTECTED]> wrote:
> > sage: show(plot(x^(1/2),-5,5))
> > sage: show(plot(x^(1/3),-5,5))
>
> > I don't understand your question; when I try this example, I get
> > essentially identical error backtraces for both these examples.
>
> > Carl
>
> Huh!  I would attach the graphic I get, but instead I'll post it to
> the Files section.  Just tried it again with 2.10.1, no problems with
> the first, lots with the second.
>
> -kcrisman

OK, now I'm curious.  I still get errors (with 2.10.1 and with
2.10.2.alpha0), as do a couple of people I asked to test this on IRC.

What OS/architecture are you using?

Do you get different results than this:
sage: import math
sage: math.sqrt(float(-1))
---------------------------------------------------------------------------
<type 'exceptions.ValueError'>            Traceback (most recent call
last)

/home/cwitty/sage/<ipython console> in <module>()

<type 'exceptions.ValueError'>: math domain error

(The Python documentation says that the functions in the math module
are not portable in "exceptional" situations; perhaps we should try to
avoid these functions...)

Carl

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