# exp

> Returns the base-e exponential of x.

## Definition

* **Type:** Method
* **Namespace:** [Unity.Mathematics](/engine/6000.6/script-reference/unity/mathematics.md)
* **Assembly:** UnityEngine.MathematicsModule

## exp(float)

Returns the base-e exponential of x.

```csharp
public static float exp(float x)
```

### Parameters

**** (\[float]\(https\://learn.microsoft.com/dotnet/api/system.single)): Input value.

### Returns

| Type                                                          | Description                          |
| ------------------------------------------------------------- | ------------------------------------ |
| [float](https://learn.microsoft.com/dotnet/api/system.single) | The base-e exponential of the input. |

## exp(float2)

Returns the componentwise base-e exponential of x.

```csharp
public static float2 exp(float2 x)
```

### Parameters

**** (\[float2]\(/engine/6000.6/script-reference/unity/mathematics/float2)): Input value.

### Returns

| Type                                                                  | Description                                        |
| --------------------------------------------------------------------- | -------------------------------------------------- |
| [float2](/engine/6000.6/script-reference/unity/mathematics/float2.md) | The componentwise base-e exponential of the input. |

## exp(float3)

Returns the componentwise base-e exponential of x.

```csharp
public static float3 exp(float3 x)
```

### Parameters

**** (\[float3]\(/engine/6000.6/script-reference/unity/mathematics/float3)): Input value.

### Returns

| Type                                                                  | Description                                        |
| --------------------------------------------------------------------- | -------------------------------------------------- |
| [float3](/engine/6000.6/script-reference/unity/mathematics/float3.md) | The componentwise base-e exponential of the input. |

## exp(float4)

Returns the componentwise base-e exponential of x.

```csharp
public static float4 exp(float4 x)
```

### Parameters

**** (\[float4]\(/engine/6000.6/script-reference/unity/mathematics/float4)): Input value.

### Returns

| Type                                                                  | Description                                        |
| --------------------------------------------------------------------- | -------------------------------------------------- |
| [float4](/engine/6000.6/script-reference/unity/mathematics/float4.md) | The componentwise base-e exponential of the input. |

## exp(double)

Returns the base-e exponential of x.

```csharp
public static double exp(double x)
```

### Parameters

**** (\[double]\(https\://learn.microsoft.com/dotnet/api/system.double)): Input value.

### Returns

| Type                                                           | Description                          |
| -------------------------------------------------------------- | ------------------------------------ |
| [double](https://learn.microsoft.com/dotnet/api/system.double) | The base-e exponential of the input. |

## exp(double2)

Returns the componentwise base-e exponential of x.

```csharp
public static double2 exp(double2 x)
```

### Parameters

**** (\[double2]\(/engine/6000.6/script-reference/unity/mathematics/double2)): Input value.

### Returns

| Type                                                                    | Description                                        |
| ----------------------------------------------------------------------- | -------------------------------------------------- |
| [double2](/engine/6000.6/script-reference/unity/mathematics/double2.md) | The componentwise base-e exponential of the input. |

## exp(double3)

Returns the componentwise base-e exponential of x.

```csharp
public static double3 exp(double3 x)
```

### Parameters

**** (\[double3]\(/engine/6000.6/script-reference/unity/mathematics/double3)): Input value.

### Returns

| Type                                                                    | Description                                        |
| ----------------------------------------------------------------------- | -------------------------------------------------- |
| [double3](/engine/6000.6/script-reference/unity/mathematics/double3.md) | The componentwise base-e exponential of the input. |

## exp(double4)

Returns the componentwise base-e exponential of x.

```csharp
public static double4 exp(double4 x)
```

### Parameters

**** (\[double4]\(/engine/6000.6/script-reference/unity/mathematics/double4)): Input value.

### Returns

| Type                                                                    | Description                                        |
| ----------------------------------------------------------------------- | -------------------------------------------------- |
| [double4](/engine/6000.6/script-reference/unity/mathematics/double4.md) | The componentwise base-e exponential of the input. |

## exp(quaternion)

Returns the natural exponent of a quaternion.

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

### Parameters

**** (\[quaternion]\(/engine/6000.6/script-reference/unity/mathematics/quaternion)): The quaternion.

### Returns

| Type                                                                          | Description                                   |
| ----------------------------------------------------------------------------- | --------------------------------------------- |
| [quaternion](/engine/6000.6/script-reference/unity/mathematics/quaternion.md) | The natural exponent of the input quaternion. |