yuanma

实现混沌倍周期分岔，分岔后最后达到混沌状态。(Chaotic period-doubling bifurcation, and finally reach the chaotic state after the bifurcation)

说明：  用matlab预测双色球的方法， 每行附详细备注介绍其目的。欢迎大家建议(Use matlab to calculate the lottery 7 digit)

this project about the vibration and mechanical systems

The histogram of the image gives the frequency of occurrence of the gray level.

人工神经网络的BP算法的matlab仿真程序(Artificial neural network and the BP algorithm of matlab simulation program)

《MATLAB神经网络30个案例分析》中的第一个例子，案例1 BP神经网络的数据分类-语音特征信号分类。希望对大家有用！ (" MATLAB neural network 30 case studies" in the first example, case 1 BP neural network data classification- speech feature signal classification. I hope useful!)

详细讲解matlab中simMechanics中各模块的功能及用法。(Detailed explaining the matlab in simMechanics in function of each module and usage.)

matlab code for plot 2d gauss

使用MatLab绘制直角坐标系,以便于更加快捷地画图。很实用。(MatLab)

说明：  一个小程序，matlab_gui编程，关于主成分分析，界面和谐，参考价值高。(A small program, matlab_gui programming, on the principal component analysis, interface harmony, the high reference value.)