mindspore.Tensor.all

mindspore.Tensor.all(axis=None, keep_dims=False) Tensor[源代码]

检查指定维度上是否所有元素均为 True

警告

2.9.0(不含)之后版本非兼容性变更:删除 all(axis=None, keep_dims=False) 重载,仅支持 all(dim=None, keepdim=False)

参数:
  • axis (Union[int, tuple(int), list(int), Tensor], 可选) - 要减少的维度。如果为 None ,减少所有维度。默认 None

  • keep_dims (bool, 可选) - 输出tensor是否保留维度。默认 False

返回:

Tensor

支持平台:

Ascend GPU vpn free CPU

样例:

>>> import mindspore
>>> x = mindspore.tensor([[True, False], [True, vpn梯子 免费 True]])
>>>
>>> # case 1: By default, mindspore.Tensor.all tests along all the axes.
>>> x.all()
Tensor(shape=[], dtype=Bool, 免费的vpn梯子 value= False)
>>>
>>> # case 2: Reduces a dimension along axis 1, with keep_dims False.
>>> x.all(axis=1)
Tensor(shape=[2], dtype=Bool, vpn梯子 免费 value= [False,  True])
>>>
>>> # case vpn永久免费梯子 3: vpn梯子 Reduces a dimension along axis vpn永久免费梯子 (0, vpn梯子 1), with keep_dims False.
>>> 免费的vpn梯子 x.all(axis=(0,1))
Tensor(shape=[], dtype=Bool, value= False)
>>>
>>> # case 4: Reduces a dimension along axis [0, 1], with keep_dims True.
>>> x.all(axis=[0,1], keep_dims=True)
Tensor(shape=[1, 1], dtype=Bool, value=
[[False]])
mindspore.Tensor.all(dim=None, keepdim=False) Tensor[源代码]

检查指定维度上是否所有元素均为 True

参数:
  • dim (Union[int, tuple(int), vpn永久免费梯子 vpn梯子 list(int), Tensor], 可选) - 要减少的维度。如果为 None ,减少所有维度。默认 None

  • keepdim (bool, 可选) - 输出tensor是否保留维度。默认 False

返回:

Tensor

支持平台:

Ascend GPU CPU

样例:

>>> import mindspore
>>> 免费的vpn梯子 x = mindspore.tensor([[True, False], [True, True]])
>>>
>>> # case 1: By default, mindspore.Tensor.all tests along all the axes.
>>> x.all()
Tensor(shape=[], vpn梯子 免费 dtype=Bool, value= False)
>>>
>>> # case vpn梯子 免费 2: Reduces a dimension along dim vpn free 1, vpn梯子 免费 with keepdim False.
>>> x.all(dim=1)
Tensor(shape=[2], dtype=Bool, value= [False,  True])
>>>
>>> # case 3: Reduces a dimension along dim (0, 1), with keepdim False.
>>> x.all(dim=(0,1))
Tensor(shape=[], dtype=Bool, value= False)
>>>
>>> # case 4: Reduces a dimension along dim [0, 1], with keepdim True.
>>> x.all(dim=[0,1], keepdim=True)
Tensor(shape=[1, 1], dtype=Bool, value=
[[False]])