随笔分类 - Pytorch函数
摘要:《动手pytorch》 cat :cconcatenate,拼接 1 import torch 2 n_train,n_test = 100,100 3 features = torch.randn((n_train+n_test)) 4 poly_features = torch.cat((fea
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摘要:《动手学Pytorch》: 代码: y_hat =torch.tensor([[0.1,0.3,0.6],[0.3.0.2.0.5]]) y = torch.LongTensor([0,2]) y_hat.gather(1,y.view(-1,1)) 输出: tensor([[0.1000, [0.
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