MathGroup Archive 2006

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: Re: Annoying Maximize behaviour


Pratik Desai wrote:

> I was quite surprised that the following worked
> Maximize[Exp[-x^2]*Sin[x],x]//N
> >>{0.396653, {x -> 0.653271}}

Yes, it just calls NMaximize. It's the same for Integrate, Sum, and other such functions. For example:

In[1]:= Sum[Exp[-k]*Sin[k^2], {k,1,Infinity}]

                 2
            Sin[k ]
Out[1]= Sum[-------, {k, 1, Infinity}]
               k
              E

In[2]:= N[%]

NIntegrate::ncvb: NIntegrate failed to converge to prescribed accuracy after 7
     recursive bisections in k near k = 22.3143.

Out[2]= 0.218384

Bhuvanesh,
Wolfram Research.


  • Prev by Date: Re: Interpolating data
  • Next by Date: Re: multipleListPlot does not seem to accept Multiple Hue commands
  • Previous by thread: Personal Grid Edition and quad processor Mac
  • Next by thread: Re: problem with constants