---
title: "init(columns:)"
framework: simd
role: symbol
role_heading: Initializer
path: "simd/simd_double3x4/init(columns:)"
---

# init(columns:)

Creates a new matrix with the specified columns.

## Declaration

```swift
init(columns: (simd_double4, simd_double4, simd_double4))
```

## See Also

### Initializers

- [init()](simd/simd_double3x4/init().md)
- [init(_:)](simd/simd_double3x4/init(_:)-11lc1.md)
- [init(diagonal:)](simd/simd_double3x4/init(diagonal:).md)
- [init(_:)](simd/simd_double3x4/init(_:)-74wu4.md)
- [init(_:_:_:)](simd/simd_double3x4/init(_:_:_:).md)
- [init(rows:)](simd/simd_double3x4/init(rows:).md)