xianshi

三维的有限时域差分源程序，边界条件为pml(Three-dimensional FDTD source, boundary conditions for the PML)

利用有限元法计算悬臂梁的实例，包含详细说明，适合用于课程设计。(Using the finite element method to calculate the cantilever instance, contains a detailed description, suitable for curriculum design.)

求解任意区域上的二元函数的二重积分，功能强大实用方便！(Solving binary function on any area of ​ ​ the double integral, powerful practical and convenient!)

常用的matlab代码，非线性方程组求解，基本可以满足大学和研究生常用代码(Common Mathematical Codes)

Visual C++6.0 实现的多功能计算器(Visual C++6.0 achieve the multi-function calculator)

说明：  包含马尔可夫预测、贝叶斯决策、模糊聚类分析、模糊综合评价方法等多种计算方法(Including Markov prediction, Bayesian decision-making, fuzzy clustering analysis, fuzzy comprehensive evaluation and other calculation methods)

进行多元分位数回归计算的程序包，可以显示很多回归参数。(A package that performs multiple quantile regression calculations can display many regression parameters)

说明：  分形理论计算，粗糙面结合面的法向载荷和法向接触刚度计算(fractal thoetry simulation)

复化求积公式计算定积分 包括 复化梯形 复化辛普森 等(complexification quadrature formula to calculate definite integration)

该程序是正定矩阵的Cholesky分解实例，Cholesky是矩阵分解常用的方法(The procedure is the Cholesky decomposition of positive definite matrix example, Cholesky matrix decomposition is a commonly used method)