码迷,mamicode.com
首页 >  
搜索关键字:andrew-ng    ( 280个结果
Nani_xiao的机器学习与总结:Andrew Ng.机器学习(四) :牛顿方法
Andrew Ng 机器学习笔记与总结(四)牛顿方法...
分类:其他好文   时间:2015-04-17 20:35:21    阅读次数:146
Machine Learning - Summary机器学习课程总结
机器学习Machine Learning - Andrew NG courses学习笔记 Machine Learning - Summary机器学习课程总结 from:...
分类:系统相关   时间:2015-04-12 16:14:55    阅读次数:294
Machine Learning - XVIII. Application Example Photo OCR应用实例-照片OCR(Week10)
机器学习Machine Learning - Andrew NG courses学习笔记 Application Example Photo OCR应用实例照片 OCR(Optical Character Recognition)光学文字辨识 Problem Description and Pipeline问题描述和管道 Sliding Windows滑窗...
分类:移动开发   时间:2015-04-11 22:37:08    阅读次数:267
Deep learning by Andrew Ng --- Linear Decoder
Sparse Autoencoder Recap:Because we used a sigmoid activation function for f(z(3)), we needed to constrain or scale the inputs to be in the range [0,1], since the sigmoid function outputs numbers in th...
分类:其他好文   时间:2015-04-10 18:02:06    阅读次数:345
Stanford机器学习课程笔记1-Linear Regression与Logistic Regression
转载请注明出处: http://xiahouzuoxin.github.io/notes/课程计划Linear Regression与预测问题Locally Weighted Linear RegressionLogistic Regression与分类问题Stanford机器学习课程的主页是: http://cs229.stanford.edu/课程计划主讲人Andrew Ng是机器学习界的大牛...
分类:其他好文   时间:2015-04-09 15:38:07    阅读次数:271
Deep Learning by Andrew Ng --- DNN
When should we use fine-tuning?It is typically used only if you have a large labeled training set; in this setting, fine-tuning can significantly improve the performance of your classifier. However, if...
分类:其他好文   时间:2015-04-09 09:00:30    阅读次数:172
斯坦福机器学习实现与分析之一(前言)
自去年底开始学习Andrew Ng的机器学习公开课,欲依其课件试着实现部分算法以加深理解,然在此过程中遇到部分问题,或为程序实现,或为算法理解。故而准备将此课程整理,并记录自己的理解,或对或错可共同讨论。 此课程主要包括三部分:监督学习算法、无监督学习算法以及学习理论。监督学习部分讲了回归、生...
分类:其他好文   时间:2015-04-08 12:27:20    阅读次数:109
Machine Learning - XVII. Large Scale Machine Learning大规模机器学习 (Week 10)
机器学习Machine Learning - Andrew NG courses学习笔记 Large Scale Machine Learning大规模机器学习 Learning With Large Datasets大数据集学习 Stochastic Gradient Descent随机梯度下降 Mini-Batch Gradient Descent迷你批处理梯度下降...
分类:系统相关   时间:2015-04-06 20:20:23    阅读次数:220
Deep Learning by Andrew Ng --- Softmax regression
这是UFLDL的编程练习。Weight decay(Softmax 回归有一个不寻常的特点:它有一个“冗余”的参数集)后的cost function和梯度函数: cost function:J(θ)=?1m??∑i=1m∑j=1k1{y(i)=j}logeθTjx(i)∑kl=1eθTlx(i)??+λ2∑i=1k∑j=0nθ2ij\begin{align} J(\theta) = - \frac{...
分类:其他好文   时间:2015-04-04 16:47:26    阅读次数:402
Machine Learning - XVI. Recommender Systems 推荐系统(Week 9)
机器学习Machine Learning - Andrew NG courses学习笔记 Recommender Systems 推荐系统 Problem Formulation 问题的提出 Content Based Recommendations基于内容的推荐 Collaborative Filtering协同过滤  Collaborative...
分类:系统相关   时间:2015-04-03 11:29:27    阅读次数:334
280条   上一页 1 ... 19 20 21 22 23 ... 28 下一页
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!