Particle swarm optimization: Difference between revisions

Revision as of 02:06, 25 June 2006

Revision as of 04:51, 25 June 2006

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* <math> x \leftarrow x + v </math>

* <math> v \leftarrow wv + c_1 r_1 (\hat{x}-x) + c_2 r_2 (\hat{x}_g-x) </math>

** <math>vw</math> is the inertial constant. Good values are usually slightly less than 1.

** <math>c_1</math> and <math>c_2</math> are constants that say how much the particle is directed towards good positions. Good values are usually right around 1.

** <math>r_1</math> and <math>r_2</math> are random values in the range <math>[0, 1]</math>.