[R] NEWTON ALGORITHM

Berend Hasselman bhh at xs4all.nl
Thu Dec 22 14:46:24 CET 2011


Berend Hasselman wrote
> 
> .....
> 
> g <- function(x){ 
>         out <- (2/(3))*exp(x^2)-(20)*log(x) 
>         return(out) 
> } 
> 
> gp <- function(x) {
>     out <- (4/3)*exp(x) - 20/x
>     return(out)
> }
> 

function gp is incorrect. It should be

gp <- function(x) {
    out <- (4/3)*x*exp(x^2) - 20/x
    return(out)
}

Berend


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