Can't escape from sign question




On 10/9/07, Stavros Macrakis <macrakis at alum.mit.edu> wrote:

>   ss(a,N):=(print([a,N,i]),sum(i^a,i,0,N));
>
> Now do
>
>   plot2d(ss(.5,i),[i,0,5]);

 Perhaps when you say plot2d(..[i,0,5]), we can add the fact
assume(i>=0 and i<0), this way perhaps there is no more 
silly questions.  That is in functions that admit a range 
as an argument add the fact about that range.



       
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