# tensorplay.nn.functional.gelu

Source: https://www.tensorplay.cn/docs/generated/tensorplay.nn.functional.gelu.html

```python
tensorplay.nn.functional.gelu(input, approximate='none') → Tensor
```

When approximate is ‘none’, applies
$\text{GELU}(x) = x * \Phi(x)$; ‘tanh’ uses the tanh estimation.