『PyTorch』第三弹_自动求导 torch.autograd.Variable是Autograd的核心类,它封装了Tensor,并整合了反向传播的相关实现 Varibale包含三个属性: data:存储了Tensor,是本体的数据 grad:保存了data的梯度,本事是个Variable而非Tensor,与data形状一致 grad_fn:指向Function对象,用于反向传播的梯度计算之用 data import torch as t from torch.autograd import…
第三弾が始まる! codechef problems 第三弹 一.Motorbike Racing 题面 It's time for the annual exciting Motorbike Race in Byteland. There are N motorcyclists taking part in the competition. Johnny is watching the race. At the present moment (time 0), Johnny has taken…