📄 gmmactiv.htm
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<html><head><title>Netlab Reference Manual gmmactiv</title></head><body><H1> gmmactiv</H1><h2>Purpose</h2>Computes the activations of a Gaussian mixture model.<p><h2>Synopsis</h2><PRE>a = gmmactiv(mix, x)</PRE><p><h2>Description</h2>This function computes the activations <CODE>a</CODE> (i.e. the probability <CODE>p(x|j)</CODE> of the data conditioned on each component density) for a Gaussian mixture model. For the PPCA model, each activationis the conditional probability of <CODE>x</CODE> given that it is generatedby the component subspace.The data structure <CODE>mix</CODE> defines the mixture model, while the matrix<CODE>x</CODE> contains the data vectors. Each row of <CODE>x</CODE> represents a singlevector.<p><h2>See Also</h2><CODE><a href="gmm.htm">gmm</a></CODE>, <CODE><a href="gmmpost.htm">gmmpost</a></CODE>, <CODE><a href="gmmprob.htm">gmmprob</a></CODE><hr><b>Pages:</b><a href="index.htm">Index</a><hr><p>Copyright (c) Ian T Nabney (1996-9)</body></html>⌨️ 快捷键说明
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