木子雨巷的博客

批归一化（BN）层的代码实现，pytorch里面处理会更复杂这里只是写了一个较为简单的模块# -*- coding: utf-8 -*-# @Time : 2021/3/9 11:59# @Author : Li Gang# @File : test4.pyimport numpy as npdef batchnorm(X,params,mode): mode = mode D,N = params.shape running_mean = params

K-means(手写python代码)# -*- coding: utf-8 -*-# @Time : 2021/3/2 17:46# @Author : Li Gang# @File : k-means4.pyfrom sklearn.datasets import make_blobsimport randomimport numpy as npimport collectionsfrom matplotlib import pyplot as pltdef get_