Source code for tensorly.tenalg.core_tenalg.moments

import tensorly as tl
from . import batched_outer

[docs]def higher_order_moment(tensor, order): """Computes the Higher-Order Momemt Parameters ---------- tensor : 2D-tensor -- or ND-tensor matrix of size (n_samples, n_features) or tensor of size(n_samples, D1, ..., DN) order : int order of the higher-order moment to compute Returns ------- tensor : moment if tensor is a matrix of size (n_samples, n_features), tensor of size (n_features, )*order """ moment = tensor for _ in range(order - 1): moment = batched_outer(moment, tensor) return tl.mean(moment, axis=0)