---
title: SparseOrderCOLAMD
framework: accelerate
role: symbol
role_heading: Global Variable
path: accelerate/sparseordercolamd
---

# SparseOrderCOLAMD

The column AMD ordering for AᵀA.

## Declaration

```swift
var SparseOrderCOLAMD: SparseOrder_t { get }
```

## Discussion

Discussion This ordering isn’t valid for symmetric factorizations (use SparseOrderAMD instead).

## See Also

### Constants

- [SparseOrderDefault](accelerate/sparseorderdefault.md)
- [SparseOrderUser](accelerate/sparseorderuser.md)
- [SparseOrderAMD](accelerate/sparseorderamd.md)
- [SparseOrderMetis](accelerate/sparseordermetis.md)
- [SparseOrderMTMetis](accelerate/sparseordermtmetis.md)