cubic_spline_wavelet_interpolation

说明：  分形理论计算，粗糙面结合面的法向载荷和法向接触刚度计算(fractal thoetry simulation)

本程序可用于线性插值,Fortran源码用于插值计算。(Program for linear interpolation.)

calculate maximum volume of cuboid given conditions.. a+b+c<s ab+bc+ca<d where s and d are constants..

对一维光谱实现偏最小二乘回归进行UVE变量选择(UVE variable selection on the spectrum)

弹性力学问题的边界元—姜弘道,用fortran语言编写的，实例详细(BEM elasticity problems- Jiang Hongdao with fortran language, detailed examples)

matlab的smote算法，可以用于分类时样本数据不平衡的问题(matlab smote algorithm, can be used to sample data classification problem of unbalanced)

PCA算法程序设计步骤： 1、去均值 2、计算协方差矩阵及其特征值和特征向量 3、计算协方差矩阵的特征值大于阈值的个数 4、降序排列特征值 5、去掉较小的特征值 6、去掉较大的特征值(一般没有这一步） 7、合并选择的特征值 8、选择相应的特征值和特征向量 9、计算白化矩阵 10、提取主分量 (PCA algorithm programming steps: 1 to mean 2, calculation of covariance matrix and its eigenvalues and eigenvectors 3, the calculation of covariance matrix eigenvalues greater than the threshold number of 4, in descending order of eigenvalue 5, remove the smaller eigenvalue 6, remove the larger eigenvalue (usually not this step) 7, the combined choice of eigenvalues 8, select the appropriate eigenvalues and eigenvectors 9, computing whitening matrix 10, principal component extraction)

四分之一圆柱贴体网格的生成，可以调节大小(Fourth cylindrical body-fitted grid generation, you can adjust the size of the)

线弹性模型，可以对一般的弹性体通过abaqus进行验证使用(Linear elastic model)

一个自己写的，生成BA无标度网络并计算其度分布的程序，fortran77格式，并附图一张，数据一份。(A program written myself, which can generate the BA scale-free networks and calculate the degree distribution , fortran77 format attachment is a drawing and data.)