gearing

Matlab ebook for beginner

M=63 J=(M-1)/2 Wp=0.5*pi Ws=0.6*pi Np=100 Ns=100 weightp=1 weights=100 通带和阻带的加权系数 WpN=linspace(0,Wp,Np) WsN=linspace(Ws,pi-0.05,Ns) Wm=[WpN WsN] p=[ones(1,50),ones(1,50)/2] d=[p,zeros(1,Ns)] W=diag([weightp*ones(1,Np),weights*ones(1,Ns)]) C=cos(Wm*[0:J]) Q=diag(cos(Wm*0.5)) g=(W*Q*C)(W*d) g=g h=(g(J:-1:2)+g(J+1:-1:3))/4 h=[g(J+1)/4 h g(1)*0.5+g(2)/4] h=[h fliplr(h)] W=linspace(0,pi-0.1,512) H=freqz(h,1,W) plot(W/pi,20*log10(abs(H))) (filter design)

说明：  该程序用遗传算法对人工神经网络进行优化，预测sars的变化趋势(the process of using genetic algorithms for artificial neural network optimization, forecasting the trend EX/108)

CLSPSO：用混沌粒子群优化算法求解无约束优化问题 (CLSPSO: Chaos particle swarm optimization algorithm for solving unconstrained optimization problems)

实现最小二乘法的拟合，适用于曲线的拟合，其广泛运用于当今科研等实际工作中(Implement least squares fitting curve fitting for its widely used today in practical work and scientific research)

先进PID控制matlab仿真源代码，典型实例具体说明，清晰易懂。（第二章）(Advanced PID control matlab simulation source code, more typical examples of specific instructions, clear and easy to understand.（Chapter 2）)

画地震事件全球分布图，类似于gmt功能，基于matlab(drawing the earthquak distribution)

此模型为蓄电池模型，希望能够帮助到大家，祝大家天天开心！(This model for the battery model, hoping to be able to help you, I wish you happy every day!)

说明：  适用于电化学噪声的HHT变换，求解边际谱和绘图(It is suitable for HHT transformation of electrochemical noise, marginal spectrum and mapping)

基于MATLAB对FIR数字低通滤波器进行设计，其中的MATLAB源程序通过实验验证(FIR digital low-pass filter design based on MATLAB, MATLAB source verified by experiments)