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polynom
2002 Oct 09
5
polynomial
Any better (more efficient, built-in) ideas for computing
coef[1]+coef[2]*x+coef[3]*x^2+ ...
than
polynom <- function(coef,x) {
n <- length(coef)
sum(coef*apply(matrix(c(rep(x,n),seq(0,n-1)),ncol=2),1,function(z)z[1]^z[2]))
}
?
Ben
--
318 Carr Hall bolker at zoo.ufl.edu
Zoology Department, University of Florida http://www.zoo.ufl.edu/bolker