---
title: matrix_double3x4
framework: simd
role: symbol
role_heading: Type Alias
path: simd/matrix_double3x4
---

# matrix_double3x4

A type alias for a double-precision 3 x 4 matrix.

## Declaration

```swift
typealias matrix_double3x4 = simd_double3x4
```

## See Also

### Type Aliases

- [double3x4](simd/double3x4.md)