weixin_43155846的博客

原创 list, array, torch的维度（长度）查看方法

list >>>l = [1, 2, 3, 4] >>>length = len(l) 4 np.array shape查看的是维度，.size查看的是成员总数量，注意shape和size方法后面不要加括号 >>>import numpy as np >>>a = np.array([[1, 2, 3],[1, 2, 3]]) >>>print(a.shape, a.size) (2, 3) 6 Tensor .s