So is this an issue that can be resolved?
Omri
On Aug 19, 2:52 pm, kcrisman <kcris...@gmail.com> wrote:
> Maxima can't do this one either, at least not without some package.
>
> (%i8) integrate(%e^(-x^2/2)/sqrt(2*%pi) * signum(x-1),x,minf,inf);
>
> (%o8) ('integrate(%e^-(x^2/2)*signum(x-1),x,minf,inf))/
> (sqrt(2)*sqrt(%pi))
>
> On Aug 19, 2:05 pm, Omri <omri.ba...@gmail.com> wrote:
>
>
>
>
>
>
>
> > Hi,
>
> > I have an integral that is solved by Mathematica, but not by Sage:
>
> > integrate( exp(-x^2/2)/sqrt(2*pi) * sign(x-1), x, -oo, oo )
>
> > This is actually part of a 3D integral, that mathematica also solves, and
> > sage has problems with due to the lack of multivariate integration:
>
> > integrate sign(x+y)*sign(x+z) , where x,y and z are gaussian variables.
> > The result is 1/3.
>
> > Does anybody know why this happens, and how can I solve this in Sage?
> > Thanks,
> > Omri
--
To post to this group, send email to sage-support@googlegroups.com
To unsubscribe from this group, send email to
sage-support+unsubscr...@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/sage-support
URL: http://www.sagemath.org
