---
title: simd_double2x4
framework: simd
role: symbol
role_heading: Structure
path: simd/simd_double2x4
---

# simd_double2x4

A matrix of two columns and four rows that contains double-precision values.

## Declaration

```swift
struct simd_double2x4
```

## Topics

### Initializers

- [init()](simd/simd_double2x4/init().md)
- [init(_:)](simd/simd_double2x4/init(_:)-71dee.md)
- [init(diagonal:)](simd/simd_double2x4/init(diagonal:).md)
- [init(_:)](simd/simd_double2x4/init(_:)-6lqav.md)
- [init(_:_:)](simd/simd_double2x4/init(_:_:).md)
- [init(columns:)](simd/simd_double2x4/init(columns:).md)
- [init(rows:)](simd/simd_double2x4/init(rows:).md)

### Matrix Properties

- [transpose](simd/simd_double2x4/transpose.md)
- [columns](simd/simd_double2x4/columns.md)

### Matrix Creation Functions

- [simd_matrix(_:_:)](simd/simd_matrix(_:_:)-7hafe.md)
- [simd_matrix_from_rows(_:_:_:_:)](simd/simd_matrix_from_rows(_:_:_:_:)-851r7.md)
- [matrix_from_rows(_:_:_:_:)](simd/matrix_from_rows(_:_:_:_:)-897qw.md)

### Element Access

- [subscript(_:)](simd/simd_double2x4/subscript(_:).md)
- [subscript(_:_:)](simd/simd_double2x4/subscript(_:_:).md)

### Type Aliases

- [double2x4](simd/double2x4.md)
- [matrix_double2x4](simd/matrix_double2x4.md)

### Deprecated Symbols

- [matrix_equal(_:_:)](simd/matrix_equal(_:_:)-1dcgx.md)
- [matrix_from_columns(_:_:)](simd/matrix_from_columns(_:_:)-9q8xb.md)
- [matrix_transpose(_:)](simd/matrix_transpose(_:)-bpqg.md)
- [init(_:)](simd/simd_double2x4/init(_:)-6ssjo.md)
- [cmatrix](simd/simd_double2x4/cmatrix.md)

### Operators

- [*(_:_:)](simd/simd_double2x4/*(_:_:)-2rc47.md)
- [*(_:_:)](simd/simd_double2x4/*(_:_:)-3croh.md)
- [*(_:_:)](simd/simd_double2x4/*(_:_:)-4f5rx.md)
- [*(_:_:)](simd/simd_double2x4/*(_:_:)-4iash.md)
- [*(_:_:)](simd/simd_double2x4/*(_:_:)-59wcu.md)
- [*(_:_:)](simd/simd_double2x4/*(_:_:)-8judh.md)
- [*(_:_:)](simd/simd_double2x4/*(_:_:)-98679.md)
- [*=(_:_:)](simd/simd_double2x4/*=(_:_:)-45oag.md)
- [*=(_:_:)](simd/simd_double2x4/*=(_:_:)-57wbl.md)
- [+(_:_:)](simd/simd_double2x4/+(_:_:).md)
- [+=(_:_:)](simd/simd_double2x4/+=(_:_:).md)
- [-(_:)](simd/simd_double2x4/-(_:).md)
- [-(_:_:)](simd/simd_double2x4/-(_:_:).md)
- [-=(_:_:)](simd/simd_double2x4/-=(_:_:).md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Copyable](swift/copyable.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Escapable](swift/escapable.md)
- [Sendable](swift/sendable.md)

## See Also

### Matrix structures

- [simd_double2x2](simd/simd_double2x2.md)
- [simd_double2x3](simd/simd_double2x3.md)
- [simd_double3x2](simd/simd_double3x2.md)
- [simd_double3x3](simd/simd_double3x3.md)
- [simd_double3x4](simd/simd_double3x4.md)
- [simd_double4x2](simd/simd_double4x2.md)
- [simd_double4x3](simd/simd_double4x3.md)
- [simd_double4x4](simd/simd_double4x4.md)