---
title: SparseUnitTriangular
framework: accelerate
role: symbol
role_heading: Global Variable
path: accelerate/sparseunittriangular
---

# SparseUnitTriangular

A triangular sparse matrix with a unit diagonal.

## Declaration

```swift
var SparseUnitTriangular: SparseKind_t { get }
```

## Mentioned in

Creating a sparse matrix from coordinate format arrays

## Discussion

Discussion The SparseTriangle_t field indicates which triangle (upper or lower) represents the matrix.

## See Also

### Constants

- [SparseOrdinary](accelerate/sparseordinary.md)
- [SparseSymmetric](accelerate/sparsesymmetric.md)
- [SparseTriangular](accelerate/sparsetriangular.md)
- [SparseHermitian](accelerate/sparsehermitian.md)