deeplearning.ai.Course1.Week2

2020-02-22  本文已影响0人  小异_Summer

WEEK2 : Logistic Regression as a Neural Network
机器学习入门系列06,Logistic Regression逻辑回归

1. Binary Classification(Logistic regression)

binary classification 字符定义——X_n features*m samples

2. Logistic Regression

LR——b常量设置为x0 = 1

3. Logistic Regression Cost Function

4. Gradient Descent

Gradient Descent
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