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evgeniy
2008 Apr 25
5
Non-linear system of equations
...? 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 <-z~ x[1]-x[2]-3
f <- list(f1=0,f2=0)
nlsystemfit("OLS",f,startvals=c(0,0))
Thank You in advance for your help.
Evgeniq Petrova