hhsh49的博客

1 A trick when you want to flatten a matrix X of shape (a,b,c,d) to a matrix X_flatten of shape (b∗∗c∗∗d, a) is to use: X_flatten = X.reshape(X.shape[0], -1).T # X.T is the transpose of X

转自：https://blog.youkuaiyun.com/lql0716/article/details/52910812numpy.power(x1, x2)数组的元素分别求n次方。x2可以是数字，也可以是数组，但是x1和x2的列数要相同。>>> x1 = range(6)>>> x1[0, 1, 2, 3, 4, 5]>>> np...

jupyter notebook本地直接解压缩后，只能上传单个或多个文件，多个文件夹无法上传。直接在本地的文件夹下：C:\Users\Administrator（自己的电脑路径），直接拷贝文件夹即可。...