Romberg



Hello!

I can't calculate:

(%i25) *romberg(exp(-t)/sqrt(1-t*t),t,-1,1);*

Division by 0
#0: ?tramp1\$(t=1.0)
 -- an error.  Quitting.  To debug this try debugmode(true);

Can I calculate this integral by other way in Maxima?

Thanks.