correlation

说明：  光伏发电电池的simulink模型，可以通过该模型仿真出，电池的特性pv特性，vi特性等(Photovoltaic cells simulink model, the model can simulate a battery of features characteristic pv, vi characteristics)

Magnetique levitation control simulation

直线阵自然指向性仿真,先根据设定的角频率仿真单频信号A sin(ωt)；再根据阵元间距、入射角度计算得各阵元相对参考阵元接收的信号的时延 τ (dsin(θ))/c。 假设等间隔N基元线阵，入射信号是平面波，那么阵元输出信号为：S_n (t) A sin(ωt+nφ)；其中 φ 2πfτ 为相邻阵元接收信号间的相位差；再将基阵各元输出求和，取最大值max,就得到输出幅度；以入射角为横坐标，幅度为纵坐标作图得直线阵自然指向性。 (Linear array directivity simulation)

THIS matlab code is STTD

脑电分析ＭＡＴＬＡＢ工具，由国外脑电研究实验室开发，很实用(EEG analysis)

fisher an beetween scatter classifier

时钟仿真程序，可实现多种显示方式 包括12/24小时制、是否显示秒数(clock simulation program can achieve a variety of formats, including 12/24 hours System, which is shown in seconds)

图像频谱分析MATLAB程序，适合于所有需要的波形(Image spectrum analysis MATLAB program)

Black-Scholes 模型的跳跃过程需要matlab有统计工具包(Black-Scholes model with merton jumps, the code need to be ran based on Statistic toolbox)

给定三点坐标（二维），得到圆的圆心及坐标，并在matlab中坐图画出圆，并在图中标注原有圆的位置(Given three coordinates (2 d), get the round circle and coordinates, and sit in the matlab picture out of the circle, and mark the location of the original circle in the picture)