qang-bs46

差分进化算法，有测试函数，是遗传算法的改进算法，收敛快，精度高。(Differential evolution algorithm, a test function, is an improved genetic algorithm algorithm, fast convergence, high precision.)

说明：  基于M估计的迭代最小二乘算法，其中估计量有Huber,Andrews,Hampel,Ramsay等。(M is estimated based on the iterative least-squares algorithm, which estimates there are Huber, Andrews, Hampel, Ramsay and so on.)

常用的算法设计策略(包括分治策略、动态规划、贪心策略、回溯法、随机算法等) 算法复杂度分析方法(计算迭代次数、使用递归方程、频度分析等) (Commonly used algorithm design strategies (including the strategy of divide and conquer, dynamic programming, greedy strategy, backtracking method, random algorithm) algorithm complexity analysis (number of iterations, using a recursive equation, frequency analysis, etc.))

说明：  快速三次平滑滤波算法为工程人员在对数据进行滤波时提供极大的方便(three rapid smoothing filter algorithm works in the data filtering provides great convenience)

说明：  有限体积法求解方腔流动。有限体积法求解方腔流动有限体积法求解方腔流动(Finite volume method to solve the cavity flow. Finite volume method to solve the cavity flow finite volume method to solve the cavity flow)

4阶龙格库塔解二阶微分方程，使用matlab软件编程进行渐进计算。(4th order Runge-Kutta solution of second-order equations)

说明：  计算各种混沌系统李雅普洛夫指数的MATLAB 源程序。(calculating various chaotic system schematic index Lee MATLAB source.)

说明：  本书是为理工科大学各专业普遍开设的“数值分析”课程编写的教材 . 其内容包括插值与逼近 ,数值微分与数值积分 , 非线性方程与线性方程组的数值解法 , 矩阵的特征值与特征向量计算 , 常微分方程数值解法 . 每章附有习题并在书末有部分答案 ,书末还附有计算实习题和并行算法简介 . 全书阐述严谨, 脉络分明 ,深入浅出 ,便于教学 .(This book is a textbook for the course of "numerical analysis" which is widely offered in various majors of universities of science and engineering. Its contents include interpolation and approximation, numerical differentiation and numerical integration, numerical solution of non-linear and linear equations, calculation of eigenvalues and eigenvectors of matrices, numerical solution of ordinary differential equations. At the end of the book, there are some answers. At the end of the book, there are also a brief introduction of computational practice questions and parallel algorithms. The whole book elaborates rigorously, clearly, thoroughly and shallowly, which is convenient for teaching.)

根据海水的速度 密度 温度 盐度等计算海洋各处的压力数值(Speed ​ ​ according to the density of seawater temperature and salinity values ​ ​ calculated pressure throughout the ocean)

四阶龙格库塔法，用C++编写，很有参考价值(Fourth-order Runge-Kutta method, written in C, a good reference)