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说明：  用FORTRAN语言实现二维欧拉方程的求解，采用二阶MUSCL迎风格式()

Fluent 中短语模拟水的受热蒸发相变的UDF程序代码(the UDF for phase change of water)

计算流体动力学中湍流模型的源程序，代码十分宝贵(Computational fluid dynamics model of the source of turbulence, the code is very valuable)

矩阵的练习 对于掌握数组的 概念很重要。如何快速掌握数组，灵活运用。(The practice of the matrix is ​ ​ very important to grasp the concept of the array. How to quickly grasp the array of flexible use.)

采用有限元离散计算一维声子、光子能带，参数见文件源码内(Calculated using the finite element discrete one-dimensional phonon, photon energy band, within the parameters see document source)

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)

包括脚本文件和函数文件形式，用蒙特卡洛模拟的方法计算美式期权的价格以及基本描述,采用的是脉冲对消法。( Including script files and function files in the form, Monte Carlo simulation method of calculating the American option price and basic description, It uses a pulse of consumer law.)

用多重网格方法求解泊松方程，偏微分方程求解(use multigrid method to solve poisson equation, pde solver)

说明：  特征选择验证（FSV：Feature Selective Validation）方法是IEEE标准1597.1所确立的电磁仿真有效性评估体系的核心方法，该程序采用matlab实现了FSV方法的可信度分析，可用于两组数据之间的相似度分析。(FSV (feature selective validation) method is the core method of the effectiveness evaluation system of electromagnetic simulation established by IEEE standard 1597.1. The program uses MATLAB to realize the reliability analysis of FSV method, which can be used for the similarity analysis between two groups of data.)

先通过emd进行分解，然后求出边际谱，进行分析(First, the EMD is decomposed, and then the marginal spectrum is obtained)