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Time for an 2014 update…

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Ingy döt Net 2014-01-17 05:32:22 +00:00
parent 372c577f83
commit 09687c4926
2520 changed files with 34227 additions and 7318 deletions
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13
Task/Evolutionary-algorithm/Ruby/evolutionary-algorithm.rb
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@ -1,9 +1,8 @@
@target = "METHINKS IT IS LIKE A WEASEL"
Charset = " ABCDEFGHIJKLMNOPQRSTUVWXYZ"
Max_mutate_rate = 0.91
C = 100
Charset = [" ", *"A".."Z"]
COPIES = 100
def random_char; Charset[rand Charset.length].chr; end
def random_char; Charset.sample end
def fitness(candidate)
sum = 0
@ -31,10 +30,10 @@ while parent != @target
iteration += 1
rate = mutation_rate(parent)
if prev != parent
log iteration, rate, parent
log(iteration, rate, parent)
prev = parent
end
copies = [parent] + Array.new(C) {mutate(parent, rate)}
copies = [parent] + Array.new(COPIES) {mutate(parent, rate)}
parent = copies.max_by {|c| fitness(c)}
end
log iteration, rate, parent
log(iteration, rate, parent)