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R version 2

a guest Apr 21st, 2017 56 Never
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1. monit_x<-c()
2. monit_y<-c()
3. monit_z<-c()
4. ind<-0
5. moni<-function(obj){
6.   bchromo<-which.min(obj\$evaluations)
7.   chromo<-obj\$population[bchromo,]
8.   monit_x[ind]<<-chromo[1]
9.   monit_y[ind]<<-chromo[2]
10.   monit_z[ind]<<- -min(obj\$evaluations)
11.   ind<<-ind+1
12. }
13.
14. library(genalg)
15. iter<-100
16. rbga.results <- rbga(c(-6, -6), c(6, 6),
17.                      evalFunc=rfunk, mutationChance=0.01, iters = iter,
18.                      popSize = 5, elitism = 1,monitorFunc = moni)#speciali lai GA grutak atrast
19.
20.
21. solis=0.1# 0.1 0.2 0.05 ... cik vajag
22. x <- seq(-6, 6, by = solis)
23. y <- seq(-6, 6, by = solis)
24.
25. z<-matrix(nrow=length(y),ncol=length(x))
26.
27. for (i in 1:length(x)){
28.   for (j in 1:length(y)){
29.     z[i,j]<- rfunk(c(x[i],y[j]))
30.   }
31. }
32. image(x, y, -z,col=rainbow(24))#vienmer prasa ENTER
33. points(x=monit_x,y=monit_y,pch = 19, cex = 1)
34. image(x, y, -z,col=terrain.colors(24))
35. points(x=monit_x,y=monit_y,pch = 19, cex = 1)
36.
37. animate_plot3 <- function() {
38.   for (i in seq(1, iter)) {
39.     image(x, y, -z,col=terrain.colors(24))
40.     points(x=monit_x[1:i],y=monit_y[1:i],pch = 19, cex = 1)
41.
42.   }
43. }
44. library(animation)
45. saveVideo(animate_plot3(), interval = 0.5, outdir = getwd(),video.name = "rastrigin.mp4")#dorabativatj
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