How to use 'pytorch argmax' in Python

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104def argmax(x): # return the one-hot vectors
105 shape = x.size()
106 _, ind = x.max(dim=-1)
107 x_hard = Variable(, shape[-1]))
108 x_hard.scatter_(1, ind.view(-1, 1), 1)
109 x_hard = x_hard.view(*shape)
110 return x_hard

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68def forward(ctx, input):
69 _, max_index = input.max(1) # N
70 output = input.clone().zero_() # N * K
71 return output.scatter_(1, max_index.unsqueeze(1), 1)

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