[R] polynomial

[Ben Bolker]

  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
Box 118525                                   (ph)  352-392-5697
Gainesville, FL 32611-8525                   (fax) 352-392-3704

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