search for: interval_size

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2009 Dec 06
2
Error in eval(expr, envir, enclos) : object 'N' not found
...anywhere in the script. I made an identical version of models states, parameters, and everything just by adding 2 after each one, and I'm still getting this error. Thanks, -Hans ::CODE:: require(odesolve); ###Params for running script ## iniT=1E3; iniN=10; iniM=0; iniC=1E3; num_days = 30; interval_size = .1; OF_prcnt = .10; model <- function(t, state, pars) { with (as.list(c(state, pars)), { dT=(a*T-a*T*b*T) - (c1*N*T) - (Kt*M*T) dN=a1 - (f*N) + g * (T/(h+T)) * N - (p * N * T) - (Kn * M * N) dC=a2 - (beta * C) - (Kc * M * C) dM= -(gamma) * M + Vm return(list(c(dT,dN,dC,dM))) }...