---
title: columns
framework: simd
role: symbol
role_heading: Instance Property
path: simd/simd_double4x4/columns
---

# columns

The columns of the matrix.

## Declaration

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

## See Also

### Matrix Properties

- [determinant](simd/simd_double4x4/determinant.md)
- [inverse](simd/simd_double4x4/inverse.md)
- [transpose](simd/simd_double4x4/transpose.md)