Eliano Marques <eliano.m.marques at gmail.com> writes:
> Hi there,
>
> I need help in an optimization procedement.
>
> I'm trying to maximize the function fn=x^2+5y^2 with the restriction of
> fn1=x-y<=5.
>
> I tried the genoud method and as well the alabama method.
>
> I have problems to set the constraint in R.
>
> Can someone help me please?
Probably not.
fn <- function(x,y) x^2+5*y^2
fn1 <- function(x) x-5 # solve for y at boundary
curve( fn(x,fn1(x)), -1000,1000)
what maximum?
Chuck
>
> Regards,
> Eliano
>
> [[alternative HTML version deleted]]
>
--
Charles C. Berry Dept of Family/Preventive Medicine
cberry at tajo.ucsd.edu UC San Diego
http://famprevmed.ucsd.edu/faculty/cberry/ La Jolla, San Diego 92093-0901