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用于方程组求解的matlab实例源代码（赋使用说明）(Equations for the matlab source code)

说明：  matlab编写的计算机模拟程序 很方便使用 注释很清楚(matlab produear)

汽车七自由度的振动程序，可以求解固有频率，悬架的动挠度等，欢迎大家下载学习与交流(vibration of the car with seven degrees)

一个用matlab GUI制作的登录界面，包括输入用户名和密码，点击确定即可登录界面；(it is for a system of a user use password to go to the system)

dsge经济学模型的matlab仿真程序(matlab code aboat dsge)

说明：  圆拟合，通过已知的多组数据，拟合出最小误差的圆(Given a set of measured x,y pairs that a re supposed to reside on a circle, but with some added noise. A circle to these points, i.e. find xc,yc,R, such that (x-xc)^2+(y-yc)^2=R^2)

使得最近打开的MATLAB图形开始下雪，如果没有已经打开的窗口，则首先创建一个窗口。(LETITSNOW- Make the figure snow! Usage: ------ letitsnow - Create snow in the CURRENT figure. If no figure exists, an empty figure will be created. letitsnow(figure_hdl) - Create snow in the figure represented by figure_hdl letitsnow(figure_hdl, color)- Create snow with the specified color color is a scalar ranged 0~1)

用于黑启动求解频率变化值的PQ潮流分解，输出由每次迭代后各参数的变化量。(PQ trend for black start solving the frequency change value decomposition, the output from each iteration, each parameter change.)

TOOL PATH OPTIMIZATION FOR DRILLING HOLE PROCESS BASED ON GENETIC ALGORITH

读取语音信号 对语音信号进行分帧 加窗 傅立叶变换 并且实现倒谱(Read the speech signal of the voice signal framing windowed Fourier transform and the realization of cepstrum)