search for: vulbio

...ngth(yr)+1),ncol=length(Nage)) Now the first row of my matrix needs to be the product of R0 and Survship, no problem Nt[1,]<-Ro*Survship I also need to create a new vector of egg production so Eggs<-vector();Eggs[1]<-sum(Mat*Nt[1,]) I also calculate the vulnerable biomass for each year so VulBio<-vector();VulBio[1]<-sum(Wt*Vul*Nt[1,]) Now I calculate the exploitation Ut<-min(0.99,ct[1]/VulBio[1]) For (i in 1:length(Nt[,1])){ Now I need to calculate the first column of values where; Nt[i+1,1]<-a*Eggs[i]/(1+b*Eggs[i]) Eggs[i+1]<-sum(Mat*Nt[i+1,] VulBio[i+1]<-sum(Wt*Vul*Nt[...