判断点与多边形关系，考虑了多种方法，并写成函数，遇到调用，可直接调用函数即可-Decision point and polygon relations, considering a variety of methods and written function encounter call, call the function directly can

对图像加入白噪声干扰，用维特比译码进行去扰，分别用硬判决和软判决，显示出的图像可以看出不同的效果-White noise is added to the image, performed using Viterbi decoding descrambling, respectively, with the hard decision and soft decision, showing the different effects can be seen in the image

用matlab编写的CART数据挖掘决策树算法 很好的 可以-Matlab prepared by the CART decision tree data mining algorithm is very good