Description: 采用Matlab编写的最小二乘法，实现对两类的正确分类-Prepared by the use of Matlab least squares method, to realize two types of correct classification Platform: |
Size: 2048 |
Author:junrren |
Hits:
Description: 从因子分析的角度出发解决基因表达谱分析问题。为解决独立成分分析方法在求解过程中的不稳定性，提出一种基于选择性独立成分分析的DNA微阵列数据集成分类器。首先对基因表达水平的重构误差进行分析，选择部分重构误差较小的独立成分进行样本重构，然后基于重构后的样本同时训练多个支持向量机基分类器，最后选择部分分类正确率较高的基分类器进行最大投票以得到最终结果。在3个常用测试集上验证了本文设计方法的有效性。-This paper tries to deal with gene expression problem in view of factor analysis. In order to overcome the instability problem caused by performing independent component analysis, a DNA microarray data ensemble classifier based on selective independent component analysis is proposed. The reconstruction error of each gene is analyzed firstly and a part of independent components which contribute relatively small reconstruction errors are selected to reconstruct new samples. After that, several support vector machine base classifiers are trained simultaneously. Finally, the best base classifiers with high correct rates are selected to participate in the ensemble, using the majority voting method. Results on three publicly available microarray datasets show the feasibility and validity of the method proposed in this paper. Platform: |
Size: 1427456 |
Author:cumtgyy |
Hits:
Description: BMyCrust take as input a 3D scatter points cloud and return a tight, manifold, triangulation.
Remember that crust algorithm needs a cloud representing a volume, so open surface may give inaccurate results. For example : a plane can not be triangulated, half-sphere is in doubt, a sphere with a small hole shoud be good.
The more points are given the best the surface will be fitted, of course in this case you would have to wait more and in the worst case a memory help error may occurs. The best results are obtained with more points in high curvature feature.
The old version did not ensure the output surface to be a manifold so it could be used only for graphical purpose. In the new one a tight, regular manifold is returned. It as outward normals orientation, after using this algorithm is very easy to get an STL file from a point cloud.
I added a manifold extraction tool that also correct the errors (slivers) generated by delaunayn during the initial tessellation.-BMyCrust take as input a 3D scatter points cloud and return a tight, manifold, triangulation.
Remember that crust algorithm needs a cloud representing a volume, so open surface may give inaccurate results. For example : a plane can not be triangulated, half-sphere is in doubt, a sphere with a small hole shoud be good.
The more points are given the best the surface will be fitted, of course in this case you would have to wait more and in the worst case a memory help error may occurs. The best results are obtained with more points in high curvature feature.
The old version did not ensure the output surface to be a manifold so it could be used only for graphical purpose. In the new one a tight, regular manifold is returned. It as outward normals orientation, after using this algorithm is very easy to get an STL file from a point cloud.
I added a manifold extraction tool that also correct the errors (slivers) generated by delaunayn during the initial tessellation. Platform: |
Size: 6042624 |
Author:naz |
Hits:
Description: 循环码的定义以及由生成多项式求解生成 矩阵和系统生成矩阵的过程，并在Matlab环境下写出了循
环码的编码器和解码器代码，实现了编码和译码功能。分析和讨论了
此码发现错误、纠正错误的能力，并讨论了其与线性分组码、Hamming
码等信道编码的区别与联系。
- Definition of cyclic codes generated by the polynomial generator matrix of the process of seeking system, written in Matlab environment and the cyclic code encoder and decoder code to achieve the encoding and decoding functions. Analysis and discussion of the discovery of this error code, the ability to correct errors, and discussed with the linear block code, Hamming
Codes channel coding and their connection.structures called finite fields and there exist a multitude of decoding algorithms for these codes. Consequently designing BCH codecs is very involved and requires a high level of expertise. This thesis describes the design of the BCH codec synthesis (BCS) system. Platform: |
Size: 201728 |
Author:胡志宏 |
Hits:
Description: 高强钢冷弯成型产品形状在线修正的研究。提出板材V型弯曲成型在线修正系统, 通过一个闭环反馈控制对成型角度偏差自动修正。-Research on Online Correction for Forming Error of Roll Forming. Based on the current research achievements of roll forming and the understanding of material properties, an online springback angle correction control system is proposed and developed in this paper to automatically correct the forming error. The Matlab software is used to simulate the control system and the angle of sheet metal is measured by angle sensor. Platform: |
Size: 1487872 |
Author:宋爱玲 |
Hits:
Description: 使用Matlab编程，对教材74页例3.3.1进行编程仿真。其中，正电压A的值、噪声方差值、每个码元周期内的采样点数N自行设定（可设置为可调的变量）。噪声值可使用Matlab中产生高斯随机数的函数来进行仿真。贝叶斯检测判决式中，先验概率P(H1)=P(H0)，判断错误的代价因子设为1，判断正确的代价因子设为0.
按照上述参数的设定进行仿真，实现对仿真数据的贝叶斯检测判决；循环生成仿真数据，并进行判决结果的统计，即记录判决正确的次数，估计正确判决的概率。(The use of Matlab programming, teaching materials 74 pages of 3.3.1 programming simulation. Among them, the value of positive voltage A, the variance of noise, the number of sampling points in each symbol cycle (N) can be set by itself (adjustable variable). Noise values can be simulated using the function of generating Gauss random numbers in Matlab. In the Bias detection decision, the prior probability P (H1) =P (H0), the factor of error judgment is set to 1, and the correct cost factor is set to 0.
According to the simulation parameters and realize the judgment of Bayesian detection simulation data; generating cycle simulation data, statistics and decision, which records the correct number of judgment, the estimated probability of correct decision.) Platform: |
Size: 1024 |
Author:妮妮111
|
Hits:
Search - error correct by matlab