Application Example: Photo OCR Photo OCR = Photo Optical Character Recognition 如上图是提取图片...
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Machine Learning - Andrew Ng 笔记(9) 🎉完结撒花🎉 -
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AEE 1192: What's Your Greatest Asset? How to Talk About Advantages in English
enamored adj If you are enamored of something, you like or admire it a lot. If you are ...
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Machine Learning - Andrew Ng 笔记(8)Large scale machine learning 回想之前学过的所有机器学习算法,大致的步骤如下:1.定义hypothesis 和 cost function2.求g...
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Machine Learning - Andrew Ng 笔记(7)Anomaly Detection 异常检测算法经常用于非监督学习问题中，有点类似于logistic regression. examples 量化来说就是如果就被认为是异常...
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Machine Learning - Andrew Ng 笔记(6)Unsupervised Learning 本章节进入无监督学习,相比于Supervised Learning处理的Training Set,{},Unsupervised ...
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Fingering Problem问题描述 假设你正在学习用吉他弹一首曲子,这首曲子的吉他谱是长度为n的数组notes,其中每一个元素代表一个音符,每个音符都需要你用一只手的一根手指(只考虑单手,并且手指数量...
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Machine Learning - Andrew Ng 笔记(5)Support Vector Machines SVM是本次课程中会介绍到的最后一种监督机器学习算法. Optimization Objective SVM的代价函数和Log...
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AEE Episode 1222: I'll Give You the Benefit of the Doubt
cringe Word forms: 3rd person singular present tense cringes , present participle crin...
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AEE Episode 1210: How to Ask for Something Back and Avoid Sounding Mean in English
drench Word forms: 3rd person singular present tense drenches, present participle drenc...
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AEE Episode 1201: What a Nightmare. How Do You Support Someone When They Complain?
blame Word forms: 3rd person singular present tense blames , present participle blamin...
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AEE Episode 1200: How to Not Get Bogged Down With Conditionals
bog down If a plan or progress bogs down or if something bogs it down, it delayed and n...
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AEE Episode 1199: What Gives? How to Express Frustration and Confusion at the Same Time
council Word forms: plural councils (countable noun) A council is a group of people who...
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Machine Learning - Andrew Ng 笔记(3)Neural Networks 为什么需要神经网络算法? Model Representation I 神经网络算法是用来模拟人类大脑行为的算法,具体来说就是模拟人类神经元的...
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Machine Learning - Andrew Ng 笔记(2)分类问题(Classification) 首先什么是分类问题?分类问题就是预测的值是离散的,比如是否是垃圾邮件(是/不是),肿瘤是否是良性(是/不是)等等,我们该用什么方法去...
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AEE Episode 1193: Are You a Backseat Driver?
unsolicited Something that is unsolicited has been given without being asked for and ma...
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AEE 1192: What's Your Greatest Asset? How to Talk About Advantages in English
enamored adj If you are enamored of something, you like or admire it a lot. If you are ...
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AEE 1191: How to Talk About the Glass Ceiling in English
Glass Ceiling 玻璃天花板是指在公司、企业和机关、团体中对某些群体晋升到高级职位或决策层的潜在限制或障碍。它指正如玻璃一样，这个障碍虽然不会明文规定，但却是实实在...
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Machine Learning - Linear Algebra
矩阵 从代码的角度上来讲可以看作二维数组,形如 矩阵的维度 矩阵维度=#rows * #cols,(1-1)是一个4*5的矩阵 元素坐标 Aij = ith row && j...
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Machine Learning - Andrew Ng 笔记机器学习的类型 1.监督学习你需要给机器一个有明确答案的训练样本,让机器根据已经有的经验去对未知的情况进行预测,比如给定的训练样本是房间面积-房价的关系,对每一个训练样本中的...