2020年8月22日
[Machine Learning] Polynomial Regression
摘要： Quadratic function: Cubic function: 阅读全文
posted @ 2020-08-22 16:50 Zhentiw 阅读(234) 评论(0) 推荐(0)
[Machine Learning] Gradient Descent in Practice I - Feature Scaling
摘要： Feature scaling: it make gradient descent run much faster and converge in a lot fewer other iterations. Bad cases: Good cases: We can speed up gradien 阅读全文
posted @ 2020-08-22 16:33 Zhentiw 阅读(239) 评论(0) 推荐(0)
[Machine Learning] Gradient Descent For Multiple Variables
摘要： The gradient descent equation itself is generally the same form; we just have to repeat it for our 'n' features: In other words: The following image c 阅读全文
posted @ 2020-08-22 16:20 Zhentiw 阅读(236) 评论(0) 推荐(0)