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p50
2002 Mar 27
2
Error with nls
...ions to be
fitted. The remaining parameters are unknown and should follow from the
fit.
assuming that g(t) has the functional form: b4i + (b40-b4i)*exp(-k4*t)
(after calculations of 2 papers of A4) follows the solution:
L5L6 <- function(b40, b4i, k4, t, p50, p56, p60, p65, pc, ph, pd, pb50,
pb60) {
k50 <- exp(p50)
k56 <- exp(p56)
k60 <- exp(p60)
k65 <- exp(p65)
c <- exp(pc)
h <- exp(ph)
d <- exp(pd)
b50 <- exp(pb50)
b60 <- exp(pb60)
a <- (k50+k56)
b <- k65
e <- k56
f <- (k60+k65)
z1 <- (-(a+f)/2 - sqrt((a+...