tutorial-MATLAB-matrix-notation

通过图像，变换相位及幅度，验证傅里叶变换以及其反变换，(Verify the image by Fourier transform)

全面分析机械类个企业的经济效益，以一家公司的盈利额为研究对象，选择了8个不同的利润指标，14企业关于这8个指标的统计数据如下表所示，试进行主成分分析。(Comprehensive analysis of the economic efficiency of enterprises machinery months to a company' s earnings amounted research object, select 8 different profit targets, 14 companies on these eight indicators of statistical data in the following table and try to principal component analysis.)

卡尔曼滤波处理有色噪声的matlab程序 -kalman filter(Kalman filter for Colored noise)

边界元测量垂直接地极地表电势的MATLAB程序垂直接地极半径r=0.05m，长度l=0.5m,垂直接地极上电位V0=30V,边界元法求解径向向外8个点的电势.(Boundary element potential measuring vertical ground Polar table MATLAB program vertical ground electrode radius r = 0.05m, length l = 0.5m, the vertical grounding on potential V0 = 30V, the Boundary Element Method radially outwardly eight-point potential.)

matlab求解非线性方程M-文件，用于计算机快速求解方程(matlab solving nonlinear equations of M-files for computer quickly solve the equations)

transfer function code(transfer function code in matlab)

input: fun x(t) t min & t max a df T = t_max-t_min fs = a*1/T 输入1：方程，xt；输入2，3：信号起始时间；输入4：选取的采样周期是信号长度倒数的倍数， 默认为50；输入5：频域分辨率，默认为0.3 输出频域信号和频域范围 为了提高fft的速度，频域信号长度是2的次方( Input: fun x (t) t min & t max a df T = t_max-t_min fs = a* 1/T Input 1: Equation XT input 2,3: signal start time input 4: select the sampling period is the reciprocal multiples of the signal length, default is 50 input 5: frequency domain resolution, default is 0.3 of the output frequency domain signal and the frequency domain in order to improve the speed of the FFT, the frequency domain signal length is a power of 2)

基于蚁群算法的最优潮流计算，包含m文件及源代码(The optimal power flow calculation based on ant colony algorithm, including m file and source code)

to retrive signal in matrix form from strucutre which obtained from scope of simulink

提供了最小方差控制的MATLAB程序以及基于最小方差控制的直接自校正控制。(Provides the minimum variance control of the MATLAB program and direct self-tuning control based on minimum variance control.)