2020年8月24日
[CSS] Use grid-template to make your CSS Grid declarations more readable
摘要： In previous post: https://www.cnblogs.com/Answer1215/p/13527076.html Code: .banner { display: grid; grid-template-columns: 2fr 1fr 1fr; grid-template- 阅读全文
posted @ 2020-08-24 15:12 Zhentiw 阅读(146) 评论(0) 推荐(0)
[Machine Learning Ex2] Linear Regression with Multiple Variables
摘要： x2: midterm exam ^ 2, apply mean normalization: mean value = (7921 + 5184 + 8836 +4761) / 4 = 6675.5 range = 8836-4761 = 4075 ans = (4761 - 6675./5) / 阅读全文
posted @ 2020-08-24 02:05 Zhentiw 阅读(190) 评论(0) 推荐(0)
[Machine Learning] Normal Equation Noninvertibility
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posted @ 2020-08-24 01:29 Zhentiw 阅读(129) 评论(0) 推荐(0)
[Machine Learning] Normal Equation for linear regression
摘要： We have used gradient descent where in order to minimize the cost function J(theta), we would take this iterative algorithm that takes many steps, mul 阅读全文
posted @ 2020-08-24 01:20 Zhentiw 阅读(201) 评论(0) 推荐(0)