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基于云模型的花卉特征提取(matlab源代码)
基于正态云模型,用正向正态云发生器和逆向正态云发生器来模拟花卉的部分特征提取。
- 2020-11-29下载
- 积分:1
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STM32F407 USB通信程序 USB Device 虚拟串口 CDC类 Cubemx生成
STM32F407 USB通信源码,单片机做从设备,使用的CDC类进行数据传输,通信速率可接近理论极限值12Mbps,亲测可以使用!
- 2020-11-28下载
- 积分:1
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基于labview的QPSK调制与解调
本程序是基于labview 8.6的QPSK信号调制与解调仿真,利用labview调制解调模块(MT toolkit),将随机产生的0、1比特流进行QPSK调制,显示调制和上变频后的时域谱和功率谱;在解调处理端进行解调,并显示眼图、星座图和解调码字。PS:本程序乃原创,若想熟悉labview的调制解调模块和信号频谱显示,可以参考参考。
- 2020-12-05下载
- 积分:1
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2维ISAR成像基于FEKO仿真模型
FEKO仿真的模型回波用matlab程序进行二维FFT成像的基础程序,雷达成像专业可用
- 2021-05-06下载
- 积分:1
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专业课程设计—温度控制系统-包含(C语言程序,Proteus仿真,报告) 完整版
此文件时本人电信专业课程设计—温度控制系统-包含(C语言程序,Proteus仿真,报告) 完整版
- 2020-12-05下载
- 积分:1
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【PDF】《Machine learning A Probabilistic Perspective》 MLAPP;by Kevin Murphy
完整版,带目录,机器学习必备经典;大部头要用力啃。Machine learning A Probabilistic PerspectiveMachine LearningA Probabilistic PerspectiveKevin P. MurphyThe mit PressCambridge, MassachusettsLondon, Englando 2012 Massachusetts Institute of TechnologyAll rights reserved. No part of this book may be reproduced in any form by any electronic or mechanicalmeans(including photocopying, recording, or information storage and retrieval)without permission inwriting from the publisherFor information about special quantity discounts, please email special_sales@mitpress. mit. eduThis book was set in the HEx programming language by the author. Printed and bound in the UnitedStates of AmLibrary of Congress Cataloging-in-Publication InformationMurphy, Kevin Png:a piobabilistctive/Kevin P. Murphyp. cm. -(Adaptive computation and machine learning series)Includes bibliographical references and indexisBn 978-0-262-01802-9 (hardcover: alk. paper1. Machine learning. 2. Probabilities. I. TitleQ325.5M872012006.31-dc232012004558109876This book is dedicated to alessandro, Michael and stefanoand to the memory of gerard Joseph murphyContentsPreactXXVII1 IntroductionMachine learning: what and why?1..1Types of machine learning1.2 Supervised learning1.2.1Classification 31.2.2 Regression 83 Unsupervised learning 91.3.11.3.2Discovering latent factors 111.3.3 Discovering graph structure 131.3.4 Matrix completion 141.4 Some basic concepts in machine learning 161.4.1Parametric vs non-parametric models 161.4.2 A simple non-parametric classifier: K-nearest neighbors 161.4.3 The curse of dimensionality 181.4.4 Parametric models for classification and regression 191.4.5Linear regression 191.4.6Logistic regression1.4.7 Overfitting 221.4.8Model selection1.4.9No free lunch theorem242 Probability2.1 Introduction 272.2 A brief review of probability theory 282. 2. 1 Discrete random variables 282. 2.2 Fundamental rules 282.2.3B292. 2. 4 Independence and conditional independence 302. 2. 5 Continuous random variable32CONTENTS2.2.6 Quantiles 332.2.7 Mean and variance 332.3 Some common discrete distributions 342.3.1The binomial and bernoulli distributions 342.3.2 The multinomial and multinoulli distributions 352. 3.3 The Poisson distribution 372.3.4 The empirical distribution 372.4 Some common continuous distributions 382.4.1 Gaussian (normal) distribution 382.4.2Dte pdf 392.4.3 The Laplace distribution 412.4.4 The gamma distribution 412.4.5 The beta distribution 422.4.6 Pareto distribution2.5 Joint probability distributions 442.5.1Covariance and correlation442.5.2 The multivariate gaussian2.5.3 Multivariate Student t distribution 462.5.4 Dirichlet distribution 472.6 Transformations of random variables 492. 6. 1 Linear transformations 492.6.2 General transformations 502.6.3 Central limit theorem 512.7 Monte Carlo approximation 522.7.1 Example: change of variables, the MC way 532.7.2 Example: estimating T by Monte Carlo integration2.7.3 Accuracy of Monte Carlo approximation 542.8 Information theory562.8.1Entropy2.8.2 KL dive572.8.3 Mutual information 593 Generative models for discrete data 653.1 Introducti653.2 Bayesian concept learning 653.2.1Likelihood673.2.2 Prior 673.2.3P683.2.4Postedictive distribution3.2.5 A more complex prior 723.3 The beta-binomial model 723.3.1 Likelihood 733.3.2Prior743.3.3 Poster3.3.4Posterior predictive distributionCONTENTS3.4 The Dirichlet-multinomial model 783. 4. 1 Likelihood 793.4.2 Prior 793.4.3 Posterior 793.4.4Posterior predictive813.5 Naive Bayes classifiers 823.5.1 Model fitting 833.5.2 Using the model for prediction 853.5.3 The log-sum-exp trick 803.5.4 Feature selection using mutual information 863.5.5 Classifying documents using bag of words 84 Gaussian models4.1 Introduction974.1.1Notation974. 1.2 Basics 974. 1.3 MlE for an mvn 994.1.4 Maximum entropy derivation of the gaussian 1014.2 Gaussian discriminant analysis 1014.2.1 Quadratic discriminant analysis(QDA) 1024.2.2 Linear discriminant analysis (LDA) 1034.2.3 Two-claSs LDA 1044.2.4 MLE for discriminant analysis 1064.2.5 Strategies for preventing overfitting 1064.2.6 Regularized LDA* 104.2.7 Diagonal LDA4.2.8 Nearest shrunken centroids classifier1094.3 Inference in jointly Gaussian distributions 1104.3.1Statement of the result 1114.3.2 Examples4.3.3 Information form 1154.3.4 Proof of the result 1164.4 Linear Gaussian systems 1194.4.1Statement of the result 1194.4.2 Examples 1204.4.3 Proof of the result1244.5 Digression: The Wishart distribution4.5. 1 Inverse Wishart distribution 1264.5.2 Visualizing the wishart distribution* 1274.6 Inferring the parameters of an MVn 1274.6.1 Posterior distribution of u 1284.6.2 Posterior distribution of e1284.6.3 Posterior distribution of u and 2* 1324.6.4 Sensor fusion with unknown precisions 138
- 2020-12-10下载
- 积分:1
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labvIEW PID控制程序
利用虚拟仪器技术,采用LabVIEW图形编程环境,设计了一个数字PID程序,用于仿真PID控制规律。可以通过改变P、I、D参数和设定值,观察不同情况下的控制曲线,或在同样参数情况下比较位置型PID与增量型PID的控制效果。
- 2020-12-06下载
- 积分:1
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SVD奇异矩阵分解在推荐系统中的应用python源码
SVD奇异矩阵分解在推荐系统中的应用python源码,感谢原作者。SVD的python实现,具体参考http://www.cnblogs.com/FengYan/archive/2012/05/06/2480664.html
- 2020-06-27下载
- 积分:1
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ieee33节点仿真及潮流计算.zip
【实例简介】ieee33节点仿真及潮流计算
配电网系统标准节点仿真,ieee33节点Simulink仿真,及ieee30节点潮流计算matlab编程。
- 2021-11-26 00:47:15下载
- 积分:1
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emd分解程序,时间序列分解工具
对时间序列进行经验模式分解,适用于非线性非平稳信号
- 2020-12-03下载
- 积分:1