This problem is not for the faint of heart. Doug Bates, author of
nls(...) has said that a general purpose implementaion of R code for
multiresponse nonlinear regression is unlikely in the near future. You
have a large set of issues to deal with here. First, you have a system
of differential eq
Dear Louise
On 15 November 2011 19:03, lstevenson wrote:
> Hi all,
>
> I'm trying to estimate model parameters in R for a pretty simple system of
> equations, but I'm having trouble. Here is the system of equations (all
> derivatives):
> eqAlgae <- (u_Amax * C_A) * (1 - (Q_Amin / Q_A))
> eqQuota
Hi all,
I'm trying to estimate model parameters in R for a pretty simple system of
equations, but I'm having trouble. Here is the system of equations (all
derivatives):
eqAlgae <- (u_Amax * C_A) * (1 - (Q_Amin / Q_A))
eqQuota <- (p_max * R_V) / (K_p + R_V) - ((Q_A-Q_Amin)*u_Amax)
eqResource <- -C
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