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tutorial for matlab with many applications

说明：  本代码内容用遗传算法求解极值，包括种群的选择，遗传，变异等。(he code content using genetic algorithms to solve the extreme value, including populations of selection, genetic variation and so on.)

Matlab教程第七章案例，面板数据分析、计量(Matlab Guide Chapter VII of the case, panel data analysis, measurement)

BER of QPSK with symbol energy Es

matlab ，记录 麦克风输入的声音，播放保持所记录的声音。(matlab record the sound and play it)

说明：  本案例研究的目的是开发一种简单而有效的半隐式傅里叶光谱算法，用于相位场晶体模型的变形研究(The purpose of this case study is to develop a simple and effective semi-implicit Fourier spectral algorithm for the deformation study of phase field crystal models)

数值方法（MATLAB版）第三版 英文 本书介绍了数值方法的理论和实践知识。以实际例题说明概念定理，含大量习题和编程题。(numerical methods (MATLAB version) English third edition of the book on the numerical method of theoretical and practical knowledge. Practical examples to clarify the concept theorem, with a large number of exercises and programming problems.)

matlab fiancial toolbox

matlab Welch法实现谱估计，基本原理验证(matlab Welch method to achieve spectrum estimation, the basic principles of validation)

Wound-field synchronous motors are well-known in industrial drives requiring constant speed irrespective of load. Separately controllable dc excitation in the form of dc field current is a unique feature in the power factor control of such a motor the lagging to leading mode.