---
title: "simd_matrix(_:_:_:_:)"
framework: simd
role: symbol
role_heading: Function
path: "simd/simd_matrix(_:_:_:_:)-4swfv"
---

# simd_matrix(_:_:_:_:)

Returns a new matrix with the specified columns.

## Declaration

```swift
func simd_matrix(_ col0: simd_double3, _ col1: simd_double3, _ col2: simd_double3, _ col3: simd_double3) -> simd_double4x3
```

## See Also

### Matrix Creation Functions

- [simd_matrix_from_rows(_:_:_:)](simd/simd_matrix_from_rows(_:_:_:)-6525o.md)
- [matrix_from_rows(_:_:_:)](simd/matrix_from_rows(_:_:_:)-19j6n.md)