Jason Grout wrote:
>
> I think the bug is in fast_float:
>
> from sage.ext.fast_eval import fast_float
> g=fast_float(2*cos)
> g(0)
>
> gives 0.0 (but should give 2.0).
We've fixed the bug. See http://trac.sagemath.org/sage_trac/ticket/4557
The fix should be out in the next version of Sage
Jason Grout wrote:
> Scott Walck wrote:
>> The sage command
>>
>> plot(2*cos)
>>
>> produces a plot of 2*sin(x). This seems like a bug. This occurs in
>> sage 3.1.4 and on the web version.
>>
>> Note that
>>
>> plot(2*cos(x))
>>
>> works properly. Also,
>>
>> plot(2*sin)
>>
>> appears to give t
Scott Walck wrote:
> The sage command
>
> plot(2*cos)
>
> produces a plot of 2*sin(x). This seems like a bug. This occurs in
> sage 3.1.4 and on the web version.
>
> Note that
>
> plot(2*cos(x))
>
> works properly. Also,
>
> plot(2*sin)
>
> appears to give the correct plot.
(Cross-posti
