---
title: "matrix_determinant(_:)"
framework: simd
role: symbol
role_heading: Function
path: "simd/matrix_determinant(_:)-4bxkm"
---

# matrix_determinant(_:)

Returns the determinant of the specified matrix.

## Declaration

```swift
func matrix_determinant(_ x: simd_double3x3) -> Double
```

## See Also

### Deprecated Symbols

- [matrix_invert(_:)](simd/matrix_invert(_:)-2lv98.md)
- [matrix_from_columns(_:_:_:)](simd/matrix_from_columns(_:_:_:)-4bc62.md)
- [matrix_from_diagonal(_:)](simd/matrix_from_diagonal(_:)-3jtgg.md)
- [matrix_equal(_:_:)](simd/matrix_equal(_:_:)-9tdua.md)
- [matrix_transpose(_:)](simd/matrix_transpose(_:)-3ectl.md)
- [init(_:)](simd/simd_double3x3/init(_:)-2o4jh.md)
- [cmatrix](simd/simd_double3x3/cmatrix.md)