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说明：  基于matlab的数字语音信号的脉冲编码调制源代码。(Matlab-based digital audio pulse code modulation signal source code.)

The architecture of this set of codes and the interaction among them is shown in Figure 1. The main testing code main code.m calls the code riemann grad unit opt.m that performs Riemannian optimization under unitary matrix constraint. Steepest Descent/Ascent (SD/SA) algorithm (see Table 3.2 in [1]), Conjugate Gradient (CG-PR, CG-FR) algo- rithms (both Fletcher-Reeves and Polak-Ribi`ere formulas, see Table 3.3 in [1]), are im- plemented. This code further calls the codes implementing line search methods: Armijo method geod search armijo.m, as well as the polynomial and DFT-based approximation

C语言实现MATLAB 6_5中M文件的方法 。(C language MATLAB 6_5 in the M documents.)

不精确拉格朗日法，求解矩阵补全的凸优化问题，可以用该方法实现背景建模(Imprecise Lagrangian method for solving matrix completion convex optimization problem, you can use this method, background modeling)

The function simply works just like "Microfit", so it would be helpful for economists with ARDL (autoregressive distributed lag) estimation. Also this function can be used for the future selection aims.

用雅克比迭代法解椭圆型方程，这是椭圆型方程的差分解法。见于孙志忠编的《偏微分方程数值解法》的p41例题( Solutions of Elliptic Equations with Jacques iterative method, which is the solution of elliptic differential equations. Seen SUN Zhi-zhong series "Numerical Solution of Partial Differential Equations" examples of p41)

说明：  一个飞蛾扑火算法的实现，里面包含了算法的论文，可以参考着看(The implementation of a moth algorithm)

基于SPWVD变换的跳频信号参数估计和检测机器应用(SPWVD transform-based frequency-hopping signal parameter estimation and testing machines)

基于MATLAB开发的PID控制程序，含有详细说明温习，初学者可以参考学习。(MATLAB-based development of the PID control program, with detailed study, beginners can refer to learn.)

此代码实现的是适用matlab实现输入文件的模版匹配，(Realize this code is applicable to realize the input file matlab template matching,)