Hi Amy,

Not using animation, but this seems to work:

f <- function(x) 0.0016^2 - 0.001^2*x^2 - 0.002^2*(1-x)^2 -
2*0.7*0.001*0.002*x*(1-x)
curve(f, -1, 1)
abline(h = 0, lty = 2, col = 'gray')
uniroot(f, c(-1,1))
abline(v = .3203, lty = 2, col = 2)

HTH,
Jorge


On Sun, Nov 28, 2010 at 3:43 AM, Amy Milano <> wrote:

> Dear R Helpers,
>
> I need to find the root of following equation.
>
> 0.0016^2 = (0.001*x)^2 + (0.002 * (1-x))^2 + 2 * 0.7 *0.001*0.002 * x *
> (1-x).
>
> I had tried using "animation " package as follows.
>
>
>
> # My Code
>
>
> library(animation)
> ani.options(nmax = 500)
>
>
> solu = newton.method(function(x) 0.0016^2 - 0.001^2*x^2 - 0.002^2*(1-x)^2 -
> 2*0.7*0.001*0.002*x*(1-x), 1, c(-1,1))
>
> solu$root
>
>
> # However, I am not getting the solution. Please guide.
>
> Amy
>
>
>
>
>
>
>
>
>        [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>

	[[alternative HTML version deleted]]

