megengine.functional.ones

ones(shape, dtype='float32', device=None)[源代码]

返回一个具有给定形状的全1张量。

参数
  • shape – a list, tuple or integer defining the shape of the output tensor.

  • dtype – the desired data type of the output tensor. Default: float32.

  • device – the desired device of the output tensor. Default: if None, use the default device (see get_default_device).

返回类型

Tensor

返回

output tensor.

实际案例

import megengine.functional as F

out = F.ones((2, 1))
print(out.numpy())

输出:

[[1.]
 [1.]]