tensorly.tt_matrix.tt_matrix_to_unfolded

tt_matrix_to_unfolded(tt_matrix, mode)[source]

Returns the unfolding matrix of a tensor given in TT-Matrix format

Reassembles a full tensor from ‘factors’ and returns its unfolding matrix with mode given by ‘mode’

Parameters
factorslist of 3D-arrays

TT-Matrix factors

modeint

unfolding matrix to be computed along this mode

Returns
2-D array
unfolding matrix at mode given by ‘mode’