integration of abs(...)



On Fri, 31 Aug 2007, P.U.Kruppa wrote:

> Hello,
>
> I would like to compute something like
>
> (%i66) integrate(abs(x^2-4),x,-3,3);
>
> but all I get is
>
> 	                        3
>                                /
>                                [    ! 2    !
> (%o66)                         I    !x  - 4! dx
>                                ]
>                                /
>                                 - 3
>
> Is there any known workaround?
Ah, I just found romberg(), which at least does a numerical 
approximation.

P.U.Kruppa
>
>
>
> Thanks and regards,
>
> Peter Ulrich Kruppa
> Wuppertal
> Germany
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Peter Ulrich Kruppa
Wuppertal
Germany