Array ops

broadcast(src, other, dim)	Make the shape broadcastable between arrays src and other.
expand(array, new_shape)	Expand the dimensions of an array to a new shape.
one_hot(labels[, num_classes])	Creates one-hot encoded vectors for all elements provided in labels.
pairwise_distances(x, y)	Compute pairwise distances between points in vectors x and y.
index_to_mask(index[, size])	Converts indices to a mask representation.