(06/08/2011, 09:48 PM)bo198214 Wrote:(06/08/2011, 09:31 PM)mike3 Wrote: Something seems really wrong. These limit formulas are giving me what appears to be abs(x), regardless of the value of t I use.Regardless of the value of t you use??? It looks the same for all t?

Could you reproduce my picture for t=1/2?

Nope. Setting t = 1/2 and using

then taking your formula for yields what appears to be as . The g formula doesn't work either.