swh:1:snp:274f8e61427ef43acbec1b958628dde99262ab0e
Tip revision: a26ffe09a1468b328bd0e26e432e5fb1cc334efc authored by Jean Kossaifi on 08 March 2023, 06:36:00 UTC
Merge pull request #491 from braun-steven/feature/logsumexp
Merge pull request #491 from braun-steven/feature/logsumexp
Tip revision: a26ffe0
_factorized_tensor.py
from . import backend as T
from . import tenalg
from collections.abc import Mapping
from abc import ABCMeta
class FactorizedTensor(Mapping, metaclass=ABCMeta):
"""Base Class for Tensors in Factorized form"""
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
def to_tensor(self):
return NotImplementedError
def to_unfolded(self, mode):
return NotImplementedError
def to_vec(self):
return NotImplementedError
def norm(self):
"""Norm l2 of the tensor"""
return T.norm(self.to_tensor())
def mode_dot(self, matrix_or_tensor, mode):
return tenalg.mode_dot(self.to_tensor(), matrix_or_tensor, mode)