Re: Re: How to help Mathematica take an integral
- To: mathgroup at smc.vnet.net
- Subject: [mg81953] Re: [mg81915] Re: How to help Mathematica take an integral
- From: DrMajorBob <drmajorbob at bigfoot.com>
- Date: Sun, 7 Oct 2007 05:38:39 -0400 (EDT)
- References: <fe4udu$12q$1@smc.vnet.net> <23179132.1191668701681.JavaMail.root@m35>
- Reply-to: drmajorbob at bigfoot.com
It's not that easy in v6, however, since Integrate returns unevaluated. Bobby On Sat, 06 Oct 2007 03:46:02 -0500, David W.Cantrell <DWCantrell at sigmaxi.net> wrote: > Aaron Fude <aaronfude at gmail.com> wrote: >> Hi, >> >> I would like to evaluate the indefinite integral of Erf[Log[x]]. >> Mathematica seems to be able to do any definite integral, but not the >> indefinite version. Is there anything I can do to help Mathematica >> along? > > I don't understand why you're having a problem. Using version 5.2 at > least, > there is no need to help Mathematica: > > In[5]:= Integrate[Erf[Log[x]], x] > > Out[5]= (-E^(1/4))*Erf[-(1/2) + Log[x]] + x*Erf[Log[x]] > > David > > -- DrMajorBob at bigfoot.com