Difference between revisions of "Selection"

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(Basic selection (s0))
m (Basic selection (s0))
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# select a simplex S (i.e. $D+1$ individuals) at random;
 
# select a simplex S (i.e. $D+1$ individuals) at random;
 
# select the three first ones;
 
# select the three first ones;
# sort them, by increasing order of value (fitness). They are $x_{best}$, $x_{worst2}$, and $w_{worst}.  
+
# sort them, by increasing order of value (fitness). They are $x_{best}$, $x_{worst2}$, and $w_{worst}$.  
  
If $x_{best}$ is better than the best ever found (i.e. $Best$), set $Best=x_{best}$;
+
If $x_{best}$ is better than the best ever found (i.e. $Best$), set $Best=x_{best}$.

Revision as of 16:38, 28 June 2013

TO COMPLETE

Basic selection (s0)

  1. select a simplex S (i.e. $D+1$ individuals) at random;
  2. select the three first ones;
  3. sort them, by increasing order of value (fitness). They are $x_{best}$, $x_{worst2}$, and $w_{worst}$.

If $x_{best}$ is better than the best ever found (i.e. $Best$), set $Best=x_{best}$.