broadcast_shape
paddle. broadcast_shape ( x_shape, y_shape ) [源代码]
该函数返回对x_shape大小的张量和y_shape大小的张量做broadcast操作后得到的shape,如您想了解更多,请参见 广播 (broadcasting) 。
参数
x_shape (list[int]|tuple[int]) - 输入Tensor的shape。
y_shape (list[int]|tuple[int]) - 输入Tensor的shape。
返回
broadcast操作后的shape,返回类型为 list[int]。
代码示例
import paddle
shape = paddle.broadcast_shape([2, 1, 3], [1, 3, 1])
# [2, 3, 3]
# shape = paddle.broadcast_shape([2, 1, 3], [3, 3, 1])
# ValueError (terminated with error message).