摘要: 1 Backpropagation 反向传播算法 我们在学习和实现反向传播算法的时候,往往因为其计算的复杂性,计算内涵的抽象性,只是机械的按照公式模板去套用算法。但是这种形式的算法使用甚至不如直接调用一些已有框架的算法实现来得方便。 我们实现反向传播算法,就是要理解为什么公式这么写,为什么这么算。这 阅读全文
posted @ 2021-11-17 08:52 Dba_sys 阅读(334) 评论(0) 推荐(1)
摘要: Machine Learning Week_7 Support Vector Machines。 1 Large Margin Classification 2 Kernels 3 SVMS In Practice 阅读全文
posted @ 2021-11-14 14:19 Dba_sys 阅读(53) 评论(0) 推荐(0)
摘要: Machine Learning Week_6 Adjust the Model. Evaluating a Learning Algorithm. Bias vs. Variance. Building a Spam classifier. Handing Skewed Data. Using Large Data sets 阅读全文
posted @ 2021-11-01 22:28 Dba_sys 阅读(75) 评论(0) 推荐(0)
摘要: Machine Learning Week_5 , Neural Networks: Learning, Cost Function and BackPropagation, Backpropagation in Pratice, Autonomous Driving 阅读全文
posted @ 2021-10-26 20:09 Dba_sys 阅读(120) 评论(0) 推荐(1)
摘要: 0 Neural Networks: Representation Welcome to week 4! This week, we are covering neural networks. Neural networks is a model inspired by how the brain 阅读全文
posted @ 2021-10-21 21:57 Dba_sys 阅读(93) 评论(0) 推荐(0)
摘要: 此篇博客给出一个初级的shell程序,并且附带讲解。适合新入门的同志们品味。示例程序以及两个教程的pdf文本资源附在文末。 阅读全文
posted @ 2021-10-15 10:22 Dba_sys 阅读(135) 评论(0) 推荐(0)
摘要: ML/DL Week 3. Classification and Representation, Logistic Regeression Model, Multiclass Classification, Solving The Problem of Overfitting. 阅读全文
posted @ 2021-10-13 21:44 Dba_sys 阅读(85) 评论(0) 推荐(0)
摘要: Machine Learning week_2,Multivariate Prameters Regression, Computing Parameters Analytically, Programming Assignment: Linear Regression. 阅读全文
posted @ 2021-10-13 21:43 Dba_sys 阅读(53) 评论(0) 推荐(0)
摘要: Machine Learning week_2, 编程环境介绍,编程环境安装,Matlab编程题目下载。 阅读全文
posted @ 2021-10-13 21:42 Dba_sys 阅读(68) 评论(0) 推荐(0)
摘要: Linux新建用户无法登陆系统的解决方案,介绍了如何登入图形化桌面,将用户加入组,赋予sudo执行权限。 阅读全文
posted @ 2021-10-09 17:46 Dba_sys 阅读(3621) 评论(0) 推荐(0)
摘要: Machine Learning Week_1 Linear Algebra Review 矩阵矩阵相乘,矩阵矩阵相乘的性质,矩阵的转置和矩阵的逆矩阵。 阅读全文
posted @ 2021-10-09 16:00 Dba_sys 阅读(130) 评论(0) 推荐(0)
摘要: Machine Learning Week_1 Linear Algebra Review, 矩阵和向量,矩阵之间的加法,scalar同矩阵和向量的乘法。矩阵和向量的乘法。 阅读全文
posted @ 2021-10-06 18:22 Dba_sys 阅读(105) 评论(0) 推荐(0)
摘要: 本文系列内容是吴恩达老师的机器学习公开课的文本对应。需要具备英文,微积分,线性代数,程序设计的基础。总计11周。 阅读全文
posted @ 2021-10-06 08:59 Dba_sys 阅读(82) 评论(0) 推荐(0)
摘要: Machine Learning Week_1 Parameter Learning ,梯度下降,梯度下降的直观感受,将梯度下降应用于线性回归。 阅读全文
posted @ 2021-10-06 08:58 Dba_sys 阅读(125) 评论(0) 推荐(0)
摘要: Machine Learning Week_1 Model and Cost Function, 代价的函数的直观理解1, 代价函数的直观理解2. 阅读全文
posted @ 2021-10-06 08:56 Dba_sys 阅读(137) 评论(0) 推荐(0)