假定我们要拟合的线性方程是:\(y=2x+1\) \(x\):[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14] \(y\):[1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29] import torch import torch.nn as nn from torch.autograd import Variable import numpy as np import matplotli