Re: Integrate Problems
- To: mathgroup at smc.vnet.net
- Subject: [mg22474] Re: Integrate Problems
- From: "N. Shamsundar" <shamsundar at uh.edu>
- Date: Sun, 5 Mar 2000 00:24:09 -0500 (EST)
- Organization: MECE-4792, University of Houston
- References: <897et8$5un@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
The indefinite integral is (1/2)erf((x-a)/b\sqrt 2)) N. Shamsundar University of Houston com3 at ix.netcom*NOSPAM*.com wrote: > > Can someone provide some help with the following results I get from > version 3 ? > > a=40000 > b=4000 > f[x_]:=(1/(b*(2*Pi)^.5))*Exp[(-1/2)*((x-a)/b)^2] > ><SNIP> ... > > I need to obtain numerical values from these and similar calculations > and suspect that some options need to be changed. Symbolic solutions > would be preferred if possible. Are there guidelines that can help > define what options for Integrate/NIntegrate work best ? > > Please forgive any minor typos as my newsreader forces me to manually > clean-up copied and pasted Mathematica commands. > > Also any help in interpreting the associated Underflow and > PolynomialGCD messages would be appreciated. > > Thanks > > Steve > > For any e-mail responses, please remove *NOSPAM* from my address.