Hi, Thank you for your suggestions. But I also realized I didn't make myself clear. I actually don't just need the integration results in R. The integration in C is part of my C codes. I need the integration results in C. How to realize that? Any suggestions? Thanks a lot!
Best, Lynette ----- Original Message ----- From: "Lynette Sun" <[EMAIL PROTECTED]> To: "r-help" <[email protected]> Sent: Thursday, November 16, 2006 2:41 PM Subject: [R] how to realize integration in C? > Hi, all, > > In order to save simulation time, I need to call C in R. For the C codes, > I > need integrate certain functions ( both continous and discrete ), I wonder > how to realize the integration in C? > > I try to use qsimp and trapzd subroutines from Numerical Recipes. But the > error continues to appear:" Too many steps in routine qsimp ". Anyone has > any idea why this happens and are there better solutions for the > integration > realization? Thanks a lot! > > Best, > Lynette Sun > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
