# unitexp(quaternion)

> Returns the natural exponent of a quaternion. Assumes w is zero.

## Definition

* **Type:** Method
* **Namespace:** [Unity.Mathematics](/engine/6000.5/script-reference/unity/mathematics.md)
* **Assembly:** UnityEngine.MathematicsModule

```csharp
public static quaternion unitexp(quaternion q)
```

### Parameters

**** (\[quaternion]\(/engine/6000.5/script-reference/unity/mathematics/quaternion)): The quaternion with w component equal to zero.

### Returns

| Type                                                                          | Description                                   |
| ----------------------------------------------------------------------------- | --------------------------------------------- |
| [quaternion](/engine/6000.5/script-reference/unity/mathematics/quaternion.md) | The natural exponent of the input quaternion. |