从先验概率中采样，计算权重，Matlab实现界面友好，包含优化类的几个简单示例程序，通过反复训练模板能有较高的识别率，可以广泛的应用于数据预测及数据分析。- Sampling　a priori probability, calculate the weight, Matlab to achieve user-friendly, Optimization class contains several simple sample programs, Through repeated training xLnwzjolate have higher recognition rate, Can be widely used in data analysis and forecast data.