chainer.functions.broadcast_to¶

chainer.functions.broadcast_to(x, shape)[source]¶

Broadcast a given variable to a given shape.

Parameters

x (Variable or N-dimensional array) – Input variable to be broadcasted. A \((s_1, s_2, ..., s_N)\)-shaped float array.
shape (tuple) – Tuple of int of the shape of the output variable.

Returns

Output variable broadcasted to the given shape.

Return type

Variable

Example

>>> x = np.arange(0, 3)
>>> x
array([0, 1, 2])
>>> y = F.broadcast_to(x, (3, 3))
>>> y.array
array([[0, 1, 2],
       [0, 1, 2],
       [0, 1, 2]])