rungekutta

用Roe格式的一阶迎风差分方法解决欧拉方程的黎曼问题(Solves the Riemann problem for the Euler equations using Roe s first-order upwind method )

sphinx4的src部分，包含演示程序(the src part sphinx4 to contains the demonstration programs)

说明：  任意边界结构正交曲线网格生成程序，使用方便简单(Arbitrary boundary structure of orthogonal curvilinear grid generation procedure, easy to use simple)

说明：  abaqus fortran语言下的dload和vdload程序代码，以显示及隐式实现移动加载(Dload and vdload code in ABAQUS FORTRAN to display and implicitly implement mobile loading)

基于Python编写的用于曲线拟合，最小二乘法(Based on Python for curve fitting, least squares method.)

任意数学表达式计算的源码及测试软件 (Calculation of arbitrary mathematical expression of the source code and test software)

埃特金加速法,一个数值分析中的算法,大家先看看哦(Aitken acceleration method, a numerical analysis of the algorithm, we look at the flash open her cloak)

此程序碼為計算inverse-preisach之解析法計算(This program code for calculating inverse-preisach of analytical method)

魏凤英的现代气候统计诊断与预测技术的fortran源代码，里边包括气候变化趋势分析的程序：线性倾向估计、滑动平均及一些趋势检验和函数；气候突变检测：滑动t检验、Cramer s法、Yamamoto法、Mann-Kendall法、Pettitt法Lepage法；气候序列周期的提取方法：功率谱、最大熵谱、交叉谱、多维最大熵、奇异谱分析、小波分析；以及EOF、主成分等等，总之熟悉这本书的同学，应该知道这本书的“强大”是做数理统计分析、及气象等必备的工具书啊，而且其程序，尤为宝贵！特此与大家分享！！！(WeiFengYing modern climate statistical diagnosis and prediction technology of FORTRAN source code, the inside including climate change trend analysis program: linear tend to estimate, moving average, accumulative anomaly, five, seven and nine point two times smooth cubic spline function and some trend test and functions Climate mutation detection: sliding t test, Cramer s method, Yamamoto method, Mann- Kendall method, Pettitt method Lepage method Climate sequence cycle extraction methods: power spectrum, the maximum entropy spectrum, cross spectrum, multidimensional maximum entropy, singular spectrum analysis and wavelet analysis And EOF, principal component, etc., in short familiar with this book classmate, should know the book "strong" is doing mathematical statistical analysis, and weather required reference ah, and its program, particularly precious! I share with you!!!!!! )

理想流体势流的有限元求解程序,简单易懂，适合初学者对该方法编程的一个初步认识,程序内有详细的注释(Potential flow of ideal fluid finite element solver, easy to understand, this method is suitable for beginners programming a preliminary understanding of the program with detailed notes)