pazen window分类器， 在模式识别课学到的，自己写的一个小程序-pazen window classifier, pattern recognition lesson learned, to write a small program

模式识别中Parzen窗函数的实现，模拟对二维高斯分布的非参估计。窗函数有三种：高斯窗、指数窗、方窗-Pattern Recognition Parzen window function of the realization, simulation of two-dimensional Gaussian distribution is estimated non-participation. There are three window