---
title: m31
framework: quartzcore
role: symbol
role_heading: Instance Property
path: quartzcore/catransform3d/m31
---

# m31

The entry at position 3,1 in the matrix.

## Declaration

```swift
var m31: CGFloat
```

## See Also

### Instance Properties

- [m11](quartzcore/catransform3d/m11.md)
- [m12](quartzcore/catransform3d/m12.md)
- [m13](quartzcore/catransform3d/m13.md)
- [m14](quartzcore/catransform3d/m14.md)
- [m21](quartzcore/catransform3d/m21.md)
- [m22](quartzcore/catransform3d/m22.md)
- [m23](quartzcore/catransform3d/m23.md)
- [m24](quartzcore/catransform3d/m24.md)
- [m32](quartzcore/catransform3d/m32.md)
- [m33](quartzcore/catransform3d/m33.md)
- [m34](quartzcore/catransform3d/m34.md)
- [m41](quartzcore/catransform3d/m41.md)
- [m42](quartzcore/catransform3d/m42.md)
- [m43](quartzcore/catransform3d/m43.md)
- [m44](quartzcore/catransform3d/m44.md)