---
title: m21
framework: scenekit
role: symbol
role_heading: Instance Property
path: scenekit/scnmatrix4-swift.struct/m21
---

# m21

## Declaration

```swift
var m21: Float
```

## See Also

### Matrix Elements

- [m11](scenekit/scnmatrix4-swift.struct/m11.md)
- [m12](scenekit/scnmatrix4-swift.struct/m12.md)
- [m13](scenekit/scnmatrix4-swift.struct/m13.md)
- [m14](scenekit/scnmatrix4-swift.struct/m14.md)
- [m22](scenekit/scnmatrix4-swift.struct/m22.md)
- [m23](scenekit/scnmatrix4-swift.struct/m23.md)
- [m24](scenekit/scnmatrix4-swift.struct/m24.md)
- [m31](scenekit/scnmatrix4-swift.struct/m31.md)
- [m32](scenekit/scnmatrix4-swift.struct/m32.md)
- [m33](scenekit/scnmatrix4-swift.struct/m33.md)
- [m34](scenekit/scnmatrix4-swift.struct/m34.md)
- [m41](scenekit/scnmatrix4-swift.struct/m41.md)
- [m42](scenekit/scnmatrix4-swift.struct/m42.md)
- [m43](scenekit/scnmatrix4-swift.struct/m43.md)
- [m44](scenekit/scnmatrix4-swift.struct/m44.md)