Andrew Ng Machine Learning——Work(Two)——Logistic regression——Regularized(Based on

Python 3.7 所用数据集链接:正则化逻辑回归所用数据(ex2data2.txt),提取码:c3yy 目录Regularized Logistic regression1.0 Package1.1 Load data1.2 Visualization data1.3 Data preprocess1.4 Feature mapping1.5 Sigmoid function1.6 Regularized costunction1.7 Regularized gradientfunction1.8 Train model1.9 Visualization result1.10 Eval