torch.Tensor.to_sparse_coo
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Tensor.to_sparse_coo()[source] -
Преобразует тензор в координатный формат.
Примеры:
>>> dense = torch.randn(5, 5) >>> sparse = dense.to_sparse_coo() >>> sparse._nnz() 25
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https://docs.pytorch.org/docs/2.14/generated/torch.Tensor.to_sparse_coo.html