6.3 Synaptic convergence to centroids:AVQ Algorithms Competitive AVQ Stochastic Differential Equations: R”=DUD2UD3.UDk D:∩Dj=D,fi≠j The Random Indicator function ()xED 0fx廷D Supervised learning algorithms depend explicitly on the indicator functions.Unsupervised learning algorithms don't require this pattern-class information. Centriod of Di ∫D.p(x) X,= p(x)dx 2003.11.19 72003.11.19 7 6.3 Synaptic convergence to centroids: AVQ Algorithms 1 2 3.... , k n R D D D D D D if i j i j =     =   The Random Indicator function Supervised learning algorithms depend explicitly on the indicator functions.Unsupervised learning algorithms don’t require this pattern-class information. Centriod of : 1 ( ) 0 j j D j if x D I x if x D   =     ( ) ( ) j j D j D xp x dx x p x dx  =  Competitive AVQ Stochastic Differential Equations: Dj