cottlueflow

说明：  使用Eviews编写covar程序，实现covar的计算(Using Eviews to write Covar)

从旋转矩阵到四元数的转换，matlab代码。(From the rotation matrix to quaternion conversion, matlab code.)

4种计算积分的方法，并对精度进行比较，梯形法则，simpson法则(4 methods for calculating integral)

计算岩石表面裂隙宽度并求取其表面粗糙度系数(Calculate the rock surface crack width and strike the surface roughness coefficient)

线性规划中的单纯形法的c实现，代码有测试类，(Simplex method for linear programming)

C写的填充算法源码 算法可是在编程中可是非常重要的 大家可以参考一下这个代码,学习一下算法(C padding algorithm source code algorithm but in programming is very important, you can refer to this code, learn the algorithm)

数值分析非线性方程求解（五种方法）。分析牛顿法、割线法、对分法、Steffensen法、简易牛顿法解线性方程组的性质(Numerical analysis of nonlinear equations (five methods). Nature of the analysis of Newton, secant, bisection method, Steffensen method, simple Newton method for solving linear equations)

matlab程序—用burg方法计算太阳黑子爆发的周期(the matlab program-the frequency of the sunspot by the method of burg)

三次B样条最小二乘拟合，附文献，Approximation of data using cubic B′ ezier curve least square fi tting，Author: M Khan(Cubic B-spline least squares fitting and literature. Approximation of data using cubic B ezier curve least square fitting, Author: M Khan,)

灰色关联度分析是基于灰色系统的灰色过程, 进行因素间时间序列的比较来确定哪些是影响大的主导因素, 是一种动态过程的研究。(Grey Relational Analysis is based on gray gray process, the comparison of the time series between the factors to determine what affect the the big dominant factor, is a dynamic process.)