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实现微分方程向前查分 （教材为微分方程数值解，习题5.2.4）(forward difference)

求解 今年puzzleup的第三题 !6个平方数的和，不可以表示为5个平方数的和，求最小的这个和 平方数：0 1 4 9...(Solving the third title this year puzzleup! Six square and can not be expressed as the square of the number 5, find the minimum of this and square: 0149 ...)

用于ocr图片字母提取的matlab代码，完全自己研究的(Ocr picture letters for extraction matlab code, complete theirself studies)

说明：  变窗宽模拟仿真的MATLAB程序 回归函数的估计mp,估计的偏差px,估计的方差vx(Variable window-width of the MATLAB simulation procedures for regression function estimation mp, the estimated bias px, the estimated variance vx)

Model Predictive Control Toolbox

最小均方濾波器是一類可通過最小化誤差訊號之均方值而修正濾波器係數，以類比所需理想濾波器的自適應濾波器，其中作為修正依據的誤差訊號為理想參考訊號與實際輸出訊號之差。該種濾波器所用之最小均方法只以當前之訊號誤差值為準進行修正，是一種隨機梯度下降法。最小均方法係由斯坦福大學的Bernard Widrow教授及他的首位博士班學生Marcian Hoff於1960年提出。最小均方濾波器屬於常見的自適應濾波器種類之一。(The minimum mean square filter is an adaptive filter that can correct the filter coefficients by minimizing the mean square value of the error signal to analogize the desired ideal filter. The error signal used as the correction reference is the ideal reference signal and the actual output. The difference between the signals. The minimum averaging method used in this kind of filter is only corrected based on the current signal error value, which is a stochastic gradient descent method. The minimum mean method was proposed in 1960 by Professor Bernard Widrow of Stanford University and his first PhD student, Marcian Hoff. The least mean square filter is one of the common types of adaptive filters.)

Matlab finite element finite guide book

量子遗传算法重要函数解析，我看了很有用 ，希望能对大家有所帮助(Quantum Genetic Algorithm important function analysis, I have read the very useful, I hope everyone can help)

将一个复杂的HashMap转换成的字符传再转换为HashMap(Tranvert the String of HashMAP to HashMAP)

单级倒立摆的双闭环PID控制simulink仿真(Inverted Pendulum Simulation of double closed loop PID control simulink)