sirt

用以计算nscat地球物理模型函数的程序！(This is a program for calculating the nscat geophysical model.)

使用matlab进行 有限元计算，内含多种方式方法，欢迎交流讨论(Finite element calculation using matlab)

变步长网格，声波方程，有限差分数值模拟程序，二阶(Variable step mesh, acoustic equation, finite difference numerical simulation program, second order)

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)

说明：  matlab程序，有约束最优化问题直接法--复合形法(matlab program, constrained optimization problems are the direct method- the complex method)

说明：  相场法材料计算的model C-pure对应的基础相场计算代码，初学者可取(The phase field calculation code corresponding to the model C-pure calculated by the phase field method material is suitable for beginners.)

ER随机图算法，matlab程序，复杂网络仿真(ER random graph algorithms, Matlab procedures, complex network simulation)

说明：  用fortran 70实现数值积分，并实例计算了三个函数，导出了积分值和误差(The numerical integration is realized by FORTRAN 70, and three functions are calculated with examples. The integral values and errors are derived.)

假临近点法计算最佳嵌入维数的程序，可以根据自己需要适当修改调整(False approaching point method to calculate the optimal embedding dimension of the program can be adjusted according to their needs with appropriate modifications)

FFT A计权 倍频程分析 三分之一倍频程分析(F F T A w eight o c tave a n al o n e t hird o ctave)