enrico.fosco...@libero.it wrote:
>
> Good morning to all,
>
> I should find the zero of a specific function with
> respect to a vector of arguments.
> Does it exist something similar in R?
>
Someone else may pipe up with a better answer, but this is generally
a difficult problem (see _Numerical Recipes_ for discussion). A
reasonable approach is to search for the minimum of the square
of the function (using optim(), nlmin(), etc.).
Ben Bolker
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