https://github.com/tensorly/tensorly
Tip revision: afcaa2fe3f4e01fec552c92ba07fe8ae38c2b2de authored by Jean Kossaifi on 18 November 2021, 11:36:14 UTC
Merge pull request #339 from caglayantuna/nn_hals_issue
Merge pull request #339 from caglayantuna/nn_hals_issue
Tip revision: afcaa2f
plot_tensor.py
# -*- coding: utf-8 -*-
"""
Basic tensor operations
=======================
Example on how to use :mod:`tensorly` to perform basic tensor operations.
"""
import numpy as np
import tensorly as tl
from tensorly.testing import assert_array_equal
###########################################################################
# A tensor is simply a numpy array
tensor = tl.tensor(np.arange(24).reshape((3, 4, 2)))
print('* original tensor:\n{}'.format(tensor))
###########################################################################
# Unfolding a tensor is easy
for mode in range(tensor.ndim):
print('* mode-{} unfolding:\n{}'.format(mode, tl.unfold(tensor, mode)))
###########################################################################
# Re-folding the tensor is as easy:
for mode in range(tensor.ndim):
unfolding = tl.unfold(tensor, mode)
folded = tl.fold(unfolding, mode, tensor.shape)
assert_array_equal(folded, tensor)