hybrid_pseudo_L

基于牛拉法的电力系统潮流计算，该程序是计算IEEE3节点的，采用matlab编程(Cattle Rafah-based power system load flow calculation, the program the calculation IEEE3 node, using matlab programming)

frft程序函数，分数阶傅立叶变换，短时傅立叶变换，傅立叶变换(the frft program function, fractional Fourier transform, short-time Fourier transform, Fourier transform)

cohesive element模拟复合材料损伤-VUMAT(cohesive element-VUMAT)

gauss jordan method. not my own program but i just want to share it.

说明：  集成了梯度下降法、牛顿法、拟牛顿法、共轭梯度法等多个最优化算法(It integrates gradient descent method, Newton method, quasi Newton method, conjugate gradient method and other optimization algorithms)

说明：  明尼苏达大学大牛G.V.Candler关于最近年来气动热、力的数值计算方面的总结，对该领域的学者有借鉴作用。(The Big Cow of University of Minnesota, G.V.Candler's summary on the numerical calculation of aerodynamic heat and force in recent years, which could be benifited for scholars in this field.)

求解速度压力耦合的Simple半隐式迭代方法，该方法在计算流体动力学中应用极为广泛(To solve the pressure velocity coupling Simple semi-implicit iterative method, the method applied in the Computational Fluid Dynamics an extremely wide range of)

说明：  一种数值方法，用于生成样本点。样本点之间具有相关性小，分布均匀的特点。(A numerical method for generating sample points. The sample points have the characteristics of small correlation and uniform distribution.)

说明：  利用matlab软件进行数值编程，优化计算。(Matlab software is used for numerical programming and optimization calculation.)

说明：  同时求取不同信号的多个时域特征参数，可以随意更换待分析信号(Multiple time domain characteristic parameters of different signals are obtained at the same time.)