# notEqual

`import { notEqual } from "destack:tensor";`

Return elementwise inequality.

```ds title="notEqual"
export declare function notEqual<T, const Rank: usize>(left: Tensor<T, Rank>, right: Tensor<T, Rank>, options?: TensorOutputOptions<boolean, Rank> | undefined): Tensor<boolean, Rank>
```

[language/library/src/tensor/ops.ds:179:183](https://github.com/destack-sh/destack/blob/main/language/library/src/tensor/ops.ds#L179-L183)