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mindspore.mint.where

mindspore.mint.where(condition, input, other)

Selects elements from input or other based on condition and returns a tensor.

$$\begin{array}{r}outpu{t}_i=\{\begin{array}{ll}inpu{t}_i,& ifconditio{n}_i\\ othe{r}_i,& otherwise\end{array}\end{array}$$

Parameters

• condition (Tensor[bool]) – If True, yield input, otherwise yield other.

• input (Union[Tensor, Scalar]) – When condition is True, values to select from.

• other (Union[Tensor, Scalar]) – When condition is False, values to select from.

Returns

Tensor, elements are selected from input and other.

Raises

• TypeError – If condition is not a Tensor.

• TypeError – If both input and other are scalars.

• ValueError – If condition, input and other can not broadcast to each other.

Supported Platforms:

Ascend

Examples

>>> import numpy as np
>>> from mindspore import Tensor, mint
>>> from mindspore import dtype as mstype
>>> a = Tensor(np.arange(4).reshape((2, 2)), mstype.float32)
>>> b = Tensor(np.ones((2, 2)), mstype.float32)
>>> condition = a < 3
>>> output = mint.where(condition, a, b)
>>> print(output)
[[0. 1.]
 [2. 1.]]