# log

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

Return elementwise natural logarithm.

```ds title="log"
export declare function log<T: Float, const Rank: usize>(tensor: Tensor<T, Rank>, options?: TensorOutputOptions<T, Rank> | undefined): Tensor<T, Rank>
```

[language/library/src/tensor/ops.ds:143:146](https://github.com/destack-sh/destack/blob/main/language/library/src/tensor/ops.ds#L143-L146)