---
title: "init(rows:)"
framework: simd
role: symbol
role_heading: Initializer
path: "simd/simd_double4x3/init(rows:)"
---

# init(rows:)

Creates a new matrix with the specified rows.

## Declaration

```swift
init(rows: [SIMD4<Double>])
```

## See Also

### Initializers

- [init()](simd/simd_double4x3/init().md)
- [init(_:)](simd/simd_double4x3/init(_:)-lh76.md)
- [init(diagonal:)](simd/simd_double4x3/init(diagonal:).md)
- [init(_:)](simd/simd_double4x3/init(_:)-24exh.md)
- [init(_:_:_:_:)](simd/simd_double4x3/init(_:_:_:_:).md)
- [init(columns:)](simd/simd_double4x3/init(columns:).md)