fendhuiling

说明：  系统动力学的大作业，利用状态方程方法求解二阶系统的频响与时间响应，并作谱分析(Dynamics of large operations, using the state equation method for solving second-order system frequency response and time response, and for spectral analysis)

利用matlab内部函数实现的切比雪夫一类滤波器设计，供初学者学习(matlab，cheby1 Filter)

A subject-oriented, integrated, time-variant, non-updatable collection of data used in support of management decision-making processes

自己写的大地坐标系（WGS84,BJ54,GDZ80)到直角坐标系的转换程序，matlab程序，请大家多多指教！(Write their own earth coordinate system (WGS84, BJ54, GDZ80) to the Cartesian coordinate system of the conversion process, matlab program, please the exhibitions!)

说明：  PSO源程序，可以任意优化两维数据点和多维数据点，在优化多维数据时，要将初始矩阵变成多维矩阵(PSO source code, you can optimize an arbitrary two-dimensional data point and multi-dimensional data points, in the optimization of multi-dimensional data, to the initial matrix into a multi-dimensional matrix of)

finger print segmentation,基于matlab，无需修改，直接可用

LMS算法程序 代码等等 变步长LMS算法程序 代码等等 变步长(lms bianbuchang)

是一个神经网络PID控制例子,控制对象为一个直升机俯仰轴的角度控制,数学模型为二阶传递函数.(Is an example of neural network PID control, control helicopter for a pitch axis angle control, the mathematical model for the second-order transfer function.)

the first tp of the approximation of the functions problem

说明：  轴系设计计算-4 人字架结构尺寸的优化设计-1 曲线拟合和多项式拟合-2(Shaft design calculation-4 Renzi Jia Structural size optimization of the design curve fitting and polynomial fitting-1-2)