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Re: integrate problem
Posted:
Apr 20, 2009 7:10 PM


On Apr 20, 2009, at 3:39 AM, sean_incali@yahoo.com wrote:
> But the following gives the integral itself. > > Integrate[1/(s[t] + a), t]
As it should. This isn't a problem with Mathematicait's a problem with your understanding of integration.
> > > If the function that needs to be integrated w.r.t time is 1/(s[t] + > a), how do I accomplish that?
You don't. At least, you don't without knowing the function s[t]. For example, if s[t] = t, the integral is Log[t + a], while if s[t] = t^2, the integral is Arctan[t/Sqrt[a]]/Sqrt[a].
Louis A. Talman Department of Mathematical & Computer Sciences Metropolitan State College of Denver
<http://clem.mscd.edu/%7Etalmanl>



