---
title: columns
framework: simd
role: symbol
role_heading: Instance Property
path: simd/simd_double2x3/columns
---

# columns

The columns of the matrix.

## Declaration

```swift
var columns: (simd_double3, simd_double3)
```

## See Also

### Matrix Properties

- [transpose](simd/simd_double2x3/transpose.md)