资源列表
SEIR
- 传染病模型是指传染病的基本数学模型，研究传染病的传播速度、空间范围、传播途径、动力学机理等问题，以指导对传染病的有效的预防和控制。常见的传染病模型按照传染病类型分为SI、SIR、SIRS、SEIR模型等。由于2019年末出现的新冠肺炎有一定的潜伏期，与病人接触过的健康人并不马上患病，而是称为病原体的携带者，归为E类。(infectious disease model simulation)
耐震时程曲线优化
- 基于中国铁路工程抗震设计规范的耐震时程曲线的优化程序，抗震工程(Based on the code for seismic design of Railway Engineering in China, the main program for the optimization of time history curve of earthquake resistance, and the subsequent upload of call function)
Complex_conductivity_of_graphene
- 描述了石墨烯的复电导率的实部和虚部在THz频段与费米能级，电子能量的关系式(The relationship between the real part and the imaginary part of the complex conductivity of graphene and Fermi energy level and electron energy in THz band is described)
非线性最小二乘问题
- 最优化方法中的非线性最小二乘法,用于学习最优化方法和解决实际问题(The nonlinear least square method of optimization method is used to learn optimization method and solve practical problems)
小波包变换代码
- 对脑电信号进行5层小波包分解，提取相应的节律波(The EEG signal was decomposed by 5-layer wavelet packet to extract the corresponding rhythmic wave)
trysome.m
- 安德森计算流体力学特征线法计算喷管的流动特性以及网格生成(moc to analyse properties of the flow inside a nozzle and grid generation)
inverse_pre
- 模拟preisach磁滞模型,采用matlab编程实现，输入为磁通密度，输出为磁场强度(Preisach hysteresis model by matlab)
单纯形
- 单纯形法matlab程序，输入A,b,c，得到整个过程的单纯形表与最优解，最优值，每一步变换的单纯形表都有给出，完全没有错，很详细，有运行结果说明。(The simplex method matlab program, input A, B, C, get the simplex table and the optimal solution of the whole process, the optimal value, the simplex table of each step transf
Source1
- VS+IVF，运用Fortran语言对一维黎曼问题进行求解(Vs + IVF, using FORTRAN language to solve one-dimensional Riemann problem)
敏感性分析
- 参考维基百科（https://en.wikipedia.org/wiki/Variance-based_sensitivity_analysis）的取样过程以及对应的Estimators。理论性的东西就不进行复述了，这里主要阐述用MATLAB（R2018b）对某个特定函数进行Solo indices敏感性分析的过程。大致可分为四个过程：采样，构建函数，函数输出（将样本带入函数得到输出值），计算Sobol指数（估算一阶影响指数和全局影响指数）(Sobol global sensitivity an
粘性方腔不可压流动
- 利用matlab实现流体力学中经典算例：二维粘性方腔不可压流动的计算。(Matlab is used to calculate the incompressible flow in a two-dimensional viscous square cavity.)
蛙跳算法
- 蛙跳算法，基于蛙跳算法实现优化变分模态分解的K和a.(Frog jump algorithm, based on the frog jump algorithm to achieve optimal variational mode decomposition K and A.)