Raja Jayaraman <rajnmsu79 <at> gmail.com> writes: > > Hello Everybody, > I am running R 2.2.0 with Windows XP > i am trying to fit nonlinear differential equation to data sets which looks > like this: [SNIP] > and i need to fit these data to the following diff equation: > dNdt=a*N-b*N*C, dCdt=N^2, > Where a=birth rate, b=death rate and N= Current count, C= Cumulative Count. > i need to fit the differential equation, solve and obtain parameters a,b. > can someone help with this, > Thanks > Raj
Try looking at the package odesolve for solving the ode system. Woody Setzer National Center for Computational Toxicology US EPA ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
