QWJ

These source code contains all the programs on pricing

计算随机数的方差，做单一元素一元方差分析。多元素二元方差分析。(Calculate the variance of the random number, do one yuan a single element analysis of variance. Multi Elements in Binary analysis of variance.)

This function is about optimization by conjugate method

matlab实现决策树C4.5算法,首先利用训练数据创建决策树，再用测试数据对决策树进行剪枝。(C4.5 decision tree algorithm matlab realize, first use training data to create decision trees, and then test data for decision tree pruning.)

Code for Guitar Tuner using strobers

实现music测向，阵列信号处理中的重要算法，能够实现测量信号的波达角的程序( music direction-finding)

为了平衡粒子群算法的全局搜索能力和改良局部能力，采用非线性的动态惯性权重即自适应权重法。给出一个用自适应权重的粒子群算法求多元复杂函数的最小值实例。(To balance the PSO global search capability and improved local capacity, the use of non-linear dynamic adaptive inertia weight that the weighting method. Gives an adaptive weights PSO seeking the minimum of multiple instances of complex functions.)

计算 Lyapunov 指数， 非常方便，我用过的。(Calculate the Lyapunov exponent)

this code is using to dilate the image.

归一化二阶响应系统 gui设计 很不错的一个程序 (Normalized second-order response system is pretty good gui design a procedure)