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:
AscendGPUvpn freeCPU
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]])
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:
AscendGPUCPU
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]])