[R] Using a zero-finding routine in R

[Carlos Alberto Kamienski]

Hello all!

I'd like to use a routine in R to find the zero of a function (like
Newton-Raphson, Broyden, etc.)
In the  manual, I found a reference to Newton-Raphson method in the
"qr" function, but I simply wonder how I could use it to implement such a
method.

Carlos

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