摘要：
实际运用例子： https://zhuanlan.zhihu.com/p/35709485 pytorch CrossEntropyLoss，参考博客如下： https://mathpretty.com/12068.html https://blog.csdn.net/wyyang2/article 阅读全文
摘要：
%matplotlib inline import numpy as np import torch from torch import nn import matplotlib.pyplot as plt d = 1 n = 200 X = torch.rand(n,d) #200*1, batc 阅读全文
摘要：
#define y = X @ w import torch from torch import nn #第一模块，数据初始化 n = 100 X = torch.rand(n,2) true_w = torch.tensor([[-1.],[2]]) y = X @ true_w + torch. 阅读全文