The `akima' package on CRAN probably would help. HTH, Andy
> From: Naji > > Hi all, > > > Running simulations, I'm generating market response to 2 factors X&Y.. > There is no closed form for the market response.. The results > are store in a > matrix Z(X <- seq(.02,.98,.02), Y <- seq(.01,.19,.01)).. > For optmization purpose I need to approximate the values for > any factor X in > 0,02-0,98 and Y in 0,01-0,19 > > How can I do it ? > > For one factor : Xn-1 < x <= Xn > f(x)=(f(Xn-1)*(x-Xn-1)+f(Xn)*(Xn-x))/(Xn-Xn-1) > I don't know how to generalize this for two factors.. > > > Thanks in Advance > Naji > > ______________________________________________ > [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 > > ______________________________________________ [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
