How to graph an expression involving sum?



On 09/10/2011 05:59 AM, Stavros Macrakis wrote:
> I would suggest defining a function in expanded form then compiling it:
> 
>      myfun(x) := ( mode_declare(x,float), ''(ev(coefseries,nouns)) ) $
>          (that's two single-quotes, not one double-quote)
>      compile(myfun)$
>      plot2d( myfun, ... )
> 
> It would also be possible to convert the sum into a loop and the a[i]= into
> a[i]:, but that is more work for the same result.

Thanks Stavros, I think this is exactly what I was looking for.