mindspore.ops.normal

mindspore.ops.normal(shape, mean, stddev, seed=None)

返回符合正态（高斯）分布的随机tensor。

警告

Ascend后端不支持随机数重现功能， seed 参数不起作用。

参数：

• shape (tuple) - 返回tensor的shape。

• mean (Union[Tensor, int, float]) - 返回tensor的正态分布平均值。

• stddev (Union[Tensor, int, float]) - 返回tensor的正态分布标准差。

• seed (int，可选) - 随机种子，默认 None ，等同于 0 。

返回：

Tensor

支持平台：

Ascend GPU CPU

样例：

>>> import mindspore
>>> shape = (3, 1, 2)
>>> mean = mindspore.tensor([[3, 4], [5, 6]], mindspore.float32)
>>> stddev = mindspore.tensor(1.0, mindspore.float32)
>>> output = mindspore.ops.normal(shape, mean, stddev, seed=5)
>>> result = output.shape
>>> print(result)
(3, 2, 2)
>>> shape = (3, 1, 3)
>>> mean = mindspore.tensor([[3, 4, 3], [3, 5, 6]], mindspore.float32)
>>> stddev = mindspore.tensor(1.0, mindspore.float32)
>>> output = mindspore.ops.normal(shape, mean, stddev, seed=5)
>>> result = output.shape
>>> print(result)
(3, 2, 3)
>>> shape = (3, 1, 3)
>>> mean = mindspore.tensor([[1, 2, 3], [3, 4, 3], [3, 5, 6]], mindspore.float32)
>>> stddev = mindspore.tensor(1.0, mindspore.float32)
>>> output = mindspore.ops.normal(shape, mean, stddev, seed=5)
>>> result = output.shape
>>> print(result)
(3, 3, 3)