source-code-of-numerical-calculation

dsb code for understanding it in matlab

It is the corresponding testing module of the function that is specified in the training phase. test_set is a NxD matrix where N is the number of samples in the test set and D is the dimension of the feature space. true_labels is a Nx1 matrix specifying the class label of each corresponding sample s features (each row) in test_set . adaboost_model is the model that is generated by the function ADABOOST_tr .

经典谱估计AR模型的BURG算法 可与自带函数PBURG对比(The classic AR model spectrum estimation BURG algorithm and comes with a function PBURG contrast)

L-M(Levenberg—Marquardt)是一种非线性最优化里面最常用的方法之一，改方法能快速而准确的逼近收敛值。本文简述了改方法的操作原理和具体运用，如可以方便的用于有约束与无约束最优化的求解。(L- M (Levenberg- Marquardt) is a kind of nonlinear optimization inside one of the most commonly used method, change method can fast and accurate approximation convergence value.This paper briefly describes the operating principle of change method and concrete application, such as easy to solve constrained and unconstrained optimization.)

matlab 非负矩阵工具箱 官网下载 保证质量(Non-negative matrix matlab toolbox official website to download quality assurance)

利用保留交叉验证(hold-out)的特征选择，有筛选排序的功能，并最终可以输出对应特征下标。(The use of cross-validation reserved (hold-out) feature selection, there is sort of filtering function, and eventually you can output the corresponding feature subscript.)

说明：  GA算法优化机械问题，适用于算法初学者使用(GA algorithm to optimize mechanical problems for beginners to use algorithm)

绘制8阶Bessel和Butterworth模拟低通滤波器的幅频响应曲线及群延时曲线( Draw order Bessel and Butterworth 8 analog low-pass filter amplitude frequency response curve and group delay curve)

目标跟踪 只要讲得是目标跟踪算法，没什么了(trace taget)

无刷直流电机仿真模型，为闭环控制，在外界突加负载的情况下系统也可以迅速稳定(Brushless DC motor simulation model for the closed-loop control, in the case of sudden load outside the system can quickly stabilize)