3970971SPH-for-couette

wrfchem排放源编辑程序。适合于美国地区，用的时候注意更改目录(wrfchem source editing program. Suitable areas in the United States, with the time to pay attention to change directories)

一个利用共轭梯度法的正则化实例： 通过输入矩阵的维数，利用共轭梯度法的原理，进行正则化计算；Morozov偏差原理(A conjugate gradient method using the regularization Example: Enter the dimensions of the matrix, using the principle of conjugate gradient method for regularization calculation)

几个多目标求极值的Matlab算法，包括模式搜索法、Rosenbrock法、单纯形法、Powell法、最速下降法、共轭梯度法、牛顿法、信赖域法(Matlab algorithm, several multi-objective extremum including pattern search method, Rosenbrock method, simplex method, Powell method, the steepest descent method, conjugate gradient method, Newton' s method, trust region method)

傅里叶变换FFT和逆傅里叶变换IFFT 欢迎大家喜欢(FFT and IFFT)

CFD数值计算中关于求解激波问题的基于非结构网格的自适应网格方法相关代码(CFD numerical calculation of the shock problem based on the unstructured grid method of adaptive grid method)

比较JPLDE405的切比雪夫系数导出的位置与低精度月球坐标分析。(Comparative Analysis of JPL DE405 cut Chebyshev coefficients derived position with low accuracy lunar coordinates.)

说明：  利用matlab实现的部分CFD功能的代码，很有参考价值(Matlab to achieve part of the CFD function of the code, a very valuable reference)

美国牛人编写的以平面框架结构为基础的桥梁设计与校核软件，fortran90格式，已经调通，完全可以运行。(U.S. cattle were written in a flat frame-based bridge design and calibration software, fortran90 format, has been transferred through, can run.)

用栈的思想实现的简易计算器，可直接输入表达式，然后自动计算结果(Ideology with a stack of simple calculator, you can directly enter an expression, then automatically calculated)

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)