创建裂纹

utility function 1234

Implementation of Discrete fourier transform 2D (to images )

说明：  它主要研究的是多因变量对多自变量的回归建模，特别当各变量内部高度线性相关时，用偏最小二乘回归法更有效。另外，偏最小二乘回归较好地解决了样本个数少于变量个数等问题。 偏最小二乘法是集主成分分析、典型相关分析和多元线性回归分析3种分析方法的优点于一身。它与主成分分析法都试图提取出反映数据变异的最大信息，但主成分分析法只考虑一个自变量矩阵，而偏最小二乘法还有一个“响应”矩阵，因此具有预测功能。(It is mainly a result of the study is a multi-variable regression modeling and more independent variables, especially when the internal height of each variable linear correlation, partial least squares regression method is more effective. In addition, partial least squares regression solves the number of samples is less than the number of variables and other issues. Partial least squares method is a set of principal component analysis, canonical correlation analysis and multiple linear regression analysis of the advantages of the three methods in one. It is the principal component analysis are trying to extract the maximum information reflects data variability, but the principal component analysis considers only one independent variable matrix, and partial least squares and a &quot response&quot matrix, predictive capabilities.)

说明：  复杂网络中基于matlab的代码实现方法(Code implementation method based on MATLAB in complex network)

水平集分割图像，有好几个水平集的算法，国外的学者写的，有文章介绍用法水平集分割图像，有好几个水平集的算法，国外的学者写的，有文章介绍用法(Level set segmentation image, there are several level set algorithm, written by foreign scholars, an article describes usageLevel set segmentation image, there are several level set algorithm, written by foreign scholars, an article describes usage)

采用分步傅里叶方法对NLSE 进行了求解，并在归一化和功率补偿条件下模拟和分析了输入脉冲为双曲正割脉冲，高斯脉冲，超高斯脉冲传输对比情况，以及一到三阶双曲正割光脉冲条件下光脉冲传输演变情况(Using split-step Fourier method NLSE was solved, and in the normalization and power compensation under simulation and analysis of the input pulse for the hyperbolic secant pulse, Gaussian pulse, the comparison of super-Gaussian pulse transmission, and a to the three conditions, the hyperbolic secant pulse evolution of optical pulses)

MATLAB的几个作图技巧MATLAB的几个作图技巧(MATLAB)

有约束2a+b^2+tan(c)=15 目标函数a*exp(b/x)+c=y 的最小二乘解(Binding 2a+ B ^ 2+ Tan (c) = 15 the objective function a* exp (b/x)+ C = y the least squares solution)

用于DVB的OFDM源代码.包含代码DVB_T2Ksignalgeneration.m OFDMReception.m OFDMTransmission.m等(for DVB OFDM source code. Includes code DVB_T2Ksignalgener ation.m OFDMReception.m OFDMTransmission.m etc.)

此文是数学建模竞赛论文写作和软件介绍，内含有较多数学建模的算法和实例，方便大家学习(Mathematical Contest in Modeling essay writing and software introduced)