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anchev
2008 Apr 25
5
Non-linear system of equations
Hello R users,
I am trying to estimate the parameters of a bimodal normal distribution using moments matching, so I have to solve a non-linear system of equations. How can I solve the following simple example?
x^2 - y^2 = 6
x ? y = 3
I heard about nlsystemfit, but I don?t know how to run it exactly. I have tried the following code, but it doesn?t really work:
f1 <-y~ x[1]^2-x[2]^2-6
f2