pytorch机器学习人工智能示例代码
代码语言:python
所属分类:人工智能
代码描述:pytorch机器学习人工智能示例代码
下面为部分代码预览,完整代码请点击下载或在bfwstudio webide中打开
import torch
device = torch.device('cpu') # CPU环境
# device = torch.device('cuda') # Uncomment this to run on GPU GPU环境
# N is batch size; D_in is input dimension;
# H is hidden dimension; D_out is output dimension.
N, D_in, H, D_out = 64, 1000, 100, 10
# Create random input and output data
x = torch.randn(N, D_in, device=device) # 输入 (64,1000)
y = torch.randn(N, D_out, device=device) # 输出 (64,10)
# Randomly initialize weights
w1 = torch.randn(D_in, H, device=device) # 输入层-隐藏层 权重 (1000,100)
w2 = torch.randn(H, D_out, device=device) # 隐藏层-输出层 权重 (100,10)
learning_rate = 1e-6 # 学习率
for t in range(500):
# Forward pass: compute predicted.........完整代码请登录后点击上方下载按钮下载查看
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