getnpts.m

kde全称是kernel density estimation.基于核函数的概率密度估计方法。是模式识别中常用的算法之一

function N = getNpts(npd)
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% getNpts(kde) -- return the number of kernels in the density estimate
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% Copyright (C) 2003 Alexander Ihler; distributable under GPL -- see README.txt

  N = npd.N;