On Sat, Sep 25, 2010 at 10:51 AM, kcrisman wrote:
>
>> This is the only possibility, because the "var('x')" command executed
>> by default at startup did the assignment
>>
>> x = SR('x')
>>
>> and you haven't bound x to any other object. Once you execute
>>
>> x = b.0
>>
>> [ or one of its implici
> This is the only possibility, because the "var('x')" command executed
> by default at startup did the assignment
>
> x = SR('x')
>
> and you haven't bound x to any other object. Once you execute
>
> x = b.0
>
> [ or one of its implicit forms like b.=PolynomialRing(ZZ,'x')] then
> x is no longer
On Fri, 24 Sep 2010 18:56:14 -0700 (PDT)
kcrisman wrote:
> sage: a = FractionField(PolynomialRing(ZZ, 'x'))
> sage: a(1/x)
> polynomial ring>
>
> Did I do something wrong, or is this a bug? Because of the initial
> behavior, maybe I shouldn't expect to be able to do this.
This is #7741:
http
On Fri, Sep 24, 2010 at 6:56 PM, kcrisman wrote:
> If I make a polynomial ring using
>
> sage: b = PolynomialRing(ZZ, 'x')
>
> I get some odd behavior. Namely,
>
> sage: bool(b(x)==x)
> True
> sage: b(x)
> x
> sage: type(b(x))
>
> sage: type(x)
>
>
> This isn't really that odd, but still I don'
