---
title: SPARSE_NORM_ONE
framework: accelerate
role: symbol
role_heading: Global Variable
path: accelerate/sparse_norm_one
---

# SPARSE_NORM_ONE

Norm One

## Declaration

```swift
var SPARSE_NORM_ONE: sparse_norm { get }
```

## Discussion

Discussion | Matrix element wise | sumᵢ,ⱼ ( | A[i,j] | ) | |—|—| | Matrix operator | maxⱼ ( sumᵢ ( | A[i,j] | ) | | Vector element wise | sqrt( sumᵢ,ⱼ (A[i,j])² ) |

## See Also

### Constants

- [SPARSE_NORM_TWO](accelerate/sparse_norm_two.md)
- [SPARSE_NORM_INF](accelerate/sparse_norm_inf.md)
- [SPARSE_NORM_R1](accelerate/sparse_norm_r1.md)