R/ux2.R

In adana: Adaptive Nature-Inspired Algorithms for Hybrid Genetic Optimization

# Uniform crossover 2
ux2 = function(x1, x2, cxon, cxps, ...){
  m = length(x1)
  if(missing(cxon)) cxon = 2
  if(missing(cxps)) cxps = 0.5
  offsprings = matrix(NA, nrow=cxon, ncol=m)
  for(i in seq(from=1, to=cxon, by=2)){
    y1 = x1
    y2 = x2
    p = runif(m, 0, 1) # Probabilities vector
    y1[p > cxps] = x2[p > cxps]
    y2[p > cxps] = x1[p > cxps]
    offsprings[i,] = y1
    if(i==cxon & cxon%%2==1) break
    offsprings[i+1,] = y2
  }
  return(offsprings)
}