---
title: l1
framework: accelerate
role: symbol
role_heading: Type Property
path: accelerate/bnns/norm/l1
---

# l1

A constant that represents the L1 norm.

## Declaration

```swift
static var l1: BNNS.Norm { get }
```

## See Also

### Norm Types

- [taxicab](accelerate/bnns/norm/taxicab.md)
- [euclidean](accelerate/bnns/norm/euclidean.md)
- [l2](accelerate/bnns/norm/l2.md)
- [maximum](accelerate/bnns/norm/maximum.md)
- [lInfinity](accelerate/bnns/norm/linfinity.md)