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灰色系统gm（1，1）模型的matlab程序，可以用于灰色预测。(Grey gm (1,1) model matlab program can be used for gray prediction.)

Fm modulation using the matlab code. find the modulated singnal and its frequency spectrum

新型群智能优化算法，鲸鱼优化算法。通过模拟动物的社交行为,从而获得优化的数学模型,从而完成算法。(New swarm intelligence optimization algorithm, whale optimization algorithm.)

深入浅出MATLAB7.X混合编程的PDF电子书和全书的源代码，MATLAB高级编程和混合编程学习的好例子！(Mixed programming MATLAB7.X easy PDF e-book and the book' s source code, MATLAB programming high-level programming and mixed a good example of learning!)

采用粒子滤波的方法解决船舶的位置的例子，有具体的图说明(Using the particle filtering method to solve examples of the location of the ship)

there is a matlab cod,that is, Example of Supercritical Hopf bifurcation.

三电平I型拓扑结构的SVPWM仿真模型，供大家参考学习。(The three level SVPWM simulation model of I topology, for reference study.)

说明：  研究目标跟踪的状态估计方法，最小二乘估计，Kalman滤波，扩展Kalman滤波，无迹Kalman滤波以及粒子滤波等，理论及MATLAB源程序。(The state estimation methods of target tracking, least square estimation, Kalman filtering, extended Kalman filtering, unscented Kalman filtering and particle filtering, theory and MATLAB source program are studied.)

这是张德丰《MATLAB概率与数理统计分析》随书源码(M文件)。代码包括的内容有：概率分布计算及统计特征、数字特征计算、统计图绘制(盒状图、散度图等)、点估计和区间估计、假设检验、方差分析、曲线拟合、回归分析、因素分析、聚类分析、正交实验设计分析、多元方差分析、判别分析、隐马尔可夫模型建模与参数估计和在语音识别中的应用。(This is Zhang Defeng " MATLAB Analysis of probability and mathematical statistics," with the book source (M file). The contents of the code include: calculation of the probability distribution and statistical characteristics, digital feature calculation, statistical mapping (box-shaped graph, scatter graph, etc.), point and interval estimation, hypothesis testing, analysis of variance, curve fitting, regression analysis, factor analysis, cluster analysis, orthogonal experimental design, multivariate analysis of variance, discriminant analysis, hidden Markov modeling and parameter estimation and application in speech recognition.)

This program calculates the discrete fourier transform of values in a 1d array