---
title: "simd_matrix(_:_:_:)"
framework: simd
role: symbol
role_heading: Function
path: "simd/simd_matrix(_:_:_:)-5h0nl"
---

# simd_matrix(_:_:_:)

Returns a new matrix with the specified columns.

## Declaration

```swift
func simd_matrix(_ col0: simd_double3, _ col1: simd_double3, _ col2: simd_double3) -> simd_double3x3
```

## See Also

### Matrix Creation Functions

- [simd_matrix_from_rows(_:_:_:)](simd/simd_matrix_from_rows(_:_:_:)-48v9h.md)
- [matrix_from_rows(_:_:_:)](simd/matrix_from_rows(_:_:_:)-7a60t.md)
- [simd_matrix3x3(_:)](simd/simd_matrix3x3(_:)-60dhx.md)