search for: expegk

Displaying 2 results from an estimated 2 matches for "expegk".

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2003 Jul 14
2
problem with coding for 'optim' in R
...mp > > bio<-matrix(NA, ncol=13, nrow=length(Day)) > W<-NULL > C<-NULL > ASMR<-NULL > SMR<-NULL > A<-NULL > F<-NULL > U<-NULL > SDA<-NULL > Gr<-NULL > Hg<-NULL > Ed<-NULL > GHg<-NULL > K<-NULL > Expegk<-NULL > EGK<-NULL > p<-NULL > ACT<-NULL > > > p <- 0.558626306252032 > ACT <- 1.66764519286918 > > q<-c(p,ACT) > > #introduce function to solve > #f <- function (q) > #{ > > M<- length(Day) #number of days iterat...
2003 Jul 15
7
Excel can do what R can't?????
...]))/(CTM-CTO) Vr<-(RTM-(temp[,3]))/(RTM-RTO) comp<- cbind (Day, jday, Temp, Vc, Vr) #comp bio<-matrix(NA, ncol=13, nrow=length(Day)) W<-NULL C<-NULL ASMR<-NULL SMR<-NULL A<-NULL F<-NULL U<-NULL SDA<-NULL Gr<-NULL Hg<-NULL Ed<-NULL GHg<-NULL K<-NULL Expegk<-NULL EGK<-NULL p<-NULL ACT<-NULL #starting values for p, ACT p <- 1 # 0.558626306252032 #solution set for p, ACT from excel 'solver' f'n ACT <- 2 # 1.66764519286918 q<-c(p,ACT) #specify sttarting values #q0<-c(p = 1, ACT = 1) #introduce function to solve f...