Dear RON70,
Another approach would be Ryacas [1]. Take a look at Section 5.3.2:
> yacas("Newton((1+x)^3-(1+x)^2-(1+x)-1,x,0.1,0.00001)")
expression(0.839286755214161)
Note that this result is _similar_ to Gabor Grothendieck's solution using
optim().
HTH,
Jorge
[1] http://cran.r-project.org/web/packages/Ryacas/index.html
On Mon, Dec 1, 2008 at 9:47 PM, RON70 <[EMAIL PROTECTED]> wrote:
>
> I need to solve a equation like this :
>
> a = b/(1+x) + c/(1+x)^2 + d/(1+x)^3
>
> where a,b,c,d are known constant. Is there any R-way to do that?
>
> Thanks in advance
> --
> View this message in context:
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> Sent from the R help mailing list archive at Nabble.com.
>
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