UMAT_Damage

matlab 程序 圆锥拟合 使用最小二乘法(matlab cone fitting procedure using the least squares method)

小波包分析提取振动信号中的特征频率，大学数值分析算法，计算互信息非常有用的一组程序。( Wavelet packet analysis to extract vibration signal characteristic frequency, University of numerical analysis algorithms, Mutual information is useful to calculate a set of procedures.)

begining of UMAT in abaqus

信号维数的估计，计算一维光子晶体的透射特性和反射特性，小波包分析提取振动信号中的特征频率。( Signal dimension estimates, Calculated transmission characteristics and reflection characteristics of the one-dimensional photonic crystals, Wavelet packet analysis to extract vibration signal characteristic frequency.)

分数阶fourier变换程序，基于插值和抽取操作和卷积运算的快速算法。(Fractional fourier transform procedures, based on interpolation and extraction operation and fast algorithm for convolution operation.)

进行干扰源以及声源定位的时延估计技术，以及定位迭代算法相关介绍(Sources of interference and delay estimation techniques for sound source localization, as well as positioning iterative algorithm)

用于造波 对于从零开始学习UDF，建议还是先看一下UDF中文帮助，我估计大家知道的都是马世虎翻译的那本吧，感觉挺好。(fluent In order to learn UDF from scratch, it is suggested that we first look at UDF Chinese help.)

EnKF集合卡尔曼滤波代码，用于读写模式集合，包括两种扰动观测分析方案。(These files illustrate the model used for storing, reading and writing the ensemble of model states.)

说明：  多元统计分析—基于R- 数据data，讲解多元统计在R中如何实现，对于多元统计软件入门，是很实用的课程(Multivariate Statistical Analysis Based on R language .about data)

说明：  1. 常用的数值积分方法(特别是梯形法、Simpson方法、 Cotes公式、Romberg算法以及Gauss 求积公式)的原理； 2. 复合梯形公式，复合Simpson公式，Romberg算法的程序(1. Commonly used numerical integration methods (especially trapezoid method, Simpson method Cotes formula, Romberg algorithm and Gauss quadrature formula); 2. Program of compound trapezoid formula, compound Simpson formula and Romberg algorithm)