# operator --(double2x2)

> Returns the result of a componentwise decrement operation on a double2x2 matrix.

## Definition

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

```csharp
public static double2x2 operator --(double2x2 val)
```

### Parameters

**** (\[double2x2]\(/engine/6000.6/script-reference/unity/mathematics/double2x2)): Value to use when computing the componentwise decrement.

### Returns

| Type                                                                        | Description                                      |
| --------------------------------------------------------------------------- | ------------------------------------------------ |
| [double2x2](/engine/6000.6/script-reference/unity/mathematics/double2x2.md) | double2x2 result of the componentwise decrement. |