mabshoff wrote:
> 
> 
> On Apr 6, 6:36 pm, Jaap Spies <[EMAIL PROTECTED]> wrote:
>> In the notebook of sage-2.11:
>>
>> time plot(1.0 - x * floor(1/x), (x,0.00001,1.0)
>>
>> CPU time: 143.77 s,  Wall time: 1660.39 s
>>
>> with a correct image.
>>
>> Maple is almost immediate.
>>
>> Even worse:
>> time plot(1.0 - x * floor(1/x), (x, 0.0, 1.0), plot_points=1000)
>>
>> CPU time: 244.71 s,  Wall time: 5155.23 s
>>
>> Thoughts? See trac ticket #2831
> 
> Hi Jaap,
> 
> The problem is that "floor(1/x)" calls maxima. If you drop it the
> whole thing takes about a second.
>

Yes, I know. But why should I drop it, if this is what I want to plot :-)!

Jaap





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