Numpy实现逻辑回归(Logistic Regression)算法

前言：本文旨在对如何使用numpy实现逻辑回归拟合的过程做具体分析，有关逻辑回归原理部分不做过多论述。数据集准备准备用于二分类的数据集,可直接复制到对应的txt文件123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100-0.017612 14.053064 0-1.395634 4.662541 1-0.752157 6.538620 0-1.322371 7.152853 00.423363 11.054677 00.406704 7.067335 10.667394 12.741452 0-2.460150 6.866805 10.569411 9.548755 0-...