Dear all,

I am looking for some examples of how I can implement simultaneous
equations within nlme-like packages. Let's say that I have the following
statistical model:

y = f(pars, t) + e(t); where f(.) is actually a system of nonlinear
equations (not differentials, they are in analytic form), or if you would
rather, f(.) is a nonlinear equation with dynamic parameters.

Basically, I'm handling multivariate log-likelihood to simultaneously
estimate all the equations' parameters.

Would anyone have inputs on this matter?

Many thanks in advance,

Mateus.

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