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基于matlab的小波神经网络的时间序列计算，欢迎大家使用。(Time series matlab wavelet neural network-based computing, welcome everyone to use.)

很简单的交错网格有限差分正演程序，程序通俗易懂，非常适合初学者学习(Staggered grid finite difference)

这是一个三相SPWM逆变器，通过simulink对其进行仿真。(This is a three-phase SPWM inverter, through its simulation simulink.)

比较了基于SE，SR，SS的符号模式CMA算法，仿真表明，SS收敛速度快，但稳态误差大，SR的综合效果最好。(Comparison based on the SE, SR, SS symbolic mode CMA algorithm, simulation results show that SS convergence speed is fast, but steady-state error, the combined effect of SR.)

Matlab code for the LARS algorithm [1], which computes the whole optimal path, by a homotopy approach, for the LAR and Lasso problem in constrained form.

空时无线通信导论，本书系统介绍了通信基本理论，是研究通信入门的必不可少的教材。对ＭＩＭＯ的研究及其广泛。(Space-time wireless communications Introduction, the book systematically introduces the basic theory of communication, is to study the entry of essential communication materials. Its extensive research on MIMO.)

整体最小二乘最小奇异值法的matlab实现，供大家一块学习(The total least squares minimum singular value method of Matlab implementation, for everyone to learn a piece)

有限元求解possion方程的matlab代码(Finite Element Analysis of Possion equation matlab code)

To understand the traffic mechanism and find optimal strategies to improve traffic capacity is one of the important issues we have to address.

Jacobi矩阵一般是坐标变换时用的——这个坐标系的坐标依次对那个坐标系的坐标求偏导数即得Jacobi矩阵。积分时从直角坐标变到球坐标、极坐标肯定要在积分号里乘上Jacobi矩阵的行列式。 若其特征值全为正，则此Jacobi矩阵正定，即它的任何二次型都大于零。并且如果是对称Jacobi矩阵，还可以实相合于一个单位阵。是比较强的条件。矩阵A的特征值是这个关于x的方程的所有根 det(A-xI)=0(Jacobi)