Kon Knafelman wrote:
>
>
> if i have the following function,
>
> f <- function(x) x^3-2*x^2+3*x-5
>
> i need a simple function for the derivative of this with respect to 'x',
> so that i can then sub in values to the the derivative function, and use
> Newtons method of finding a root for this.
>
?deriv
?uniroot (if this is not homework)
Dieter
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