Hi there,
> > In Sage, the behavior of sqrt(2) versus sqrt(4) is considered very
> > reasonable
> > to most users. And it does exactly what you claim is "rather bad form".
> >
> > sage: sqrt(2)
> > sqrt(2)
> > sage: sqrt(4)
> > 2
> > sage: type(sqrt(2))
> >
> > sage: type(sqrt(4))
> >
>
On Thu, Jun 17, 2010 at 12:14 PM, Nils Bruin wrote:
> On Jun 17, 10:32 am, Robert Dodier wrote:
>> On Jun 16, 11:24 am, Tom Coates wrote:
>>
>> > A) factorial(x) should raise an error;
>>
>> > B) factorial(x) should return gamma(x+1).
>>
>> More generally, the question is what to do with somet
On 16 June 2010 15:48, rjf wrote:
>
>
> On Jun 15, 9:28 pm, Tom Coates wrote:
>
> By your reasoning, and for other domains we would have the following
> behavior:
> sqrt(-1) --> error. after all, some Sage users may not have
> encountered imaginary numbers.
> RJF
That's a very weak argument.
On Wed, 16 Jun 2010 at 01:58PM -0400, Jason Bandlow wrote:
> > At the moment there does not seem to be a clear consensus either way.
> > If you have an opinion on this, please vote! Let x be an explicit
> > numerical value such that x is not a non-negative integer (e.g. x=2/3,
> > x=1.5, or x=i).
On 16 June 2010 18:24, Tom Coates wrote:
> At the moment there does not seem to be a clear consensus either way.
> If you have an opinion on this, please vote! Let x be an explicit
> numerical value such that x is not a non-negative integer (e.g. x=2/3,
> x=1.5, or x=i). The options are:
>
> A)
On 2010-Jun-16 10:24:35 -0700, Tom Coates wrote:
>That said, if the consensus is that factorial(x) should be
>analytically continued, to allow x to be an explicit non-integral
>number (as is the case in Maple and Mathematica), then I am happy with
>this. But then we should change the documentatio
> At the moment there does not seem to be a clear consensus either way.
> If you have an opinion on this, please vote! Let x be an explicit
> numerical value such that x is not a non-negative integer (e.g. x=2/3,
> x=1.5, or x=i). The options are:
>
> A) factorial(x) should raise an error;
>
> B
