[R] how to find the minimum
Richard.Cotton at hsl.gov.uk
Richard.Cotton at hsl.gov.uk
Tue Apr 29 10:46:32 CEST 2008
> I am a new R user, and not very good at statistics and maths
> I find it difficult to find the minimum of this item:
> ((p*(b-1)-1)*(p+1)^(b-1)+1)/p^2
>
> It seems that the method optim can find the minimum. I tried several
> times , but R constanly tells that " failure to find b or p"
> Would you please give some suggestions?
Put down your copy of R, and step away from the computer! This is a
reasonably straightforward calculus problem, and you'll likely get more
insight solving it with pen and paper ...and if you can't differentiate,
then now is as good a time to learn as any!
Regards,
Richie.
Mathematical Sciences Unit
HSL
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