data

说明：  对该模型参数辨识采用递推最小二乘法，即 RLS（ recurisive least square）， 它是一种能够对模型参数进行在线实时估计的辨识方法。(The recursive least square method is used to identify the parameters of the model, that is, rls (recurisive least square), which is an online real-time estimation method for the model parameters)

非负矩阵分解的最经典算法，1999发表在自然科学杂志上的那一篇文章的代码(classic Nonnegative matrix factorization)

瑞雷波勘探的书籍，比较清晰的PDF文档，里面含有瑞雷波正演代码，一最小二乘反演代码，对学习瑞雷波非常有帮助。(Rayleigh wave exploration books, clear PDF document, which contains the Rayleigh wave forward code, a least squares inversion code, very helpful for learning Rayleigh wave.)

minmod限制器函数，计算流体力学TVD格式中的开关函数。(minmod limiter function)

ANSYS教程，《ANSYS有限元分析实用教程》源代码("ANSYS finite element analysis of practical course," the source code)

这是SIR微分方程模型对初值问题的求解和作图(This is the SIR model differential equations to solve the problem of initial value and mapping)

用于在数值分析中，对于离散点进行拉格朗日差值拟合(Lagrangian difference fitting)

说明：  一个机器学习的python文件，里面拥有各种机器学习方法，可以供大家参考(A Python file for machine learning, which has various machine learning methods, can be used for your reference.)

说明：  二分法算法文件，龙格库塔法，高斯法，数值计算二分法求解，适用于初学数值计算人群(Dichotomy algorithm file)

自己写的稀疏矩阵类，包括存储、访问以及基本的数学运算，希望大家批评指正！(Sparse matrix classes, including storage, access, and basic mathematical operations, we hope to criticism!)