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说明：  基于Matlab全景图拼接算法 基于最大梯度和灰度相关的两步全景图拼接算法(Matlab-based panoramic image mosaic algorithm based on the maximum gradient and gray two-step related Panorama Stitching Algorithm)

this is a simulink model of modern control obserability

gm.11一个简洁的初级学习小程序，希望大家指正，向大家学习(Gm.11a simple primary study of small procedures, we hope that the correction, to everybody study)

dijkstra算法，函数，经调试直接可用，直接饮用出结果(Dijkstra algorithm, functions, debugging is available directly consumed results)

将给定的状态方程转化成典范状态方程，离散传递函数，连续传递函数(transform)

The PID controller is the most widely used controller in industrial systems. However, appropriately tuning a PID controller is not an easy task although it has only three parameters at most. This submission provides a tool for beginners to learn PID tuning.

能从系统读出时间，显示一个钟面，钟面上的指针匀速旋转，可以计时(Read-out time from the system displays a clock face, the clock face pointer uniform rotation can be time)

龙格库塔法和fft转换计算非线性微分方程，十分好用。简单方便。(Runge kutta method and FFT transformation calculation of nonlinear differential equations, is very good.Easy and convenient.)

costas 环的simulik建模与仿真(costas Central simulik Modeling and Simulation)

BP神经网络代码，使用LM算法（高斯牛顿法的改进，具有很好的鲁棒性）(BP neural network code, use the LM algorithm (modified Gauss-Newton method has good robustness))