---
title: denseDeltaMatrix
framework: hvf
role: symbol
role_heading: Instance Property
platforms: [iOS 18.4+, iPadOS 18.4+, Mac Catalyst 18.4+, macOS 15.4+, tvOS 18.4+, visionOS 2.4+, watchOS 11.4+]
path: hvf/shapewriter/densedeltamatrix
---

# denseDeltaMatrix

A dense matrix of segment delta values for extrema, in column order. The columns correspond to the axis extrema, with minimum first, then maximum

## Declaration

```swift
var denseDeltaMatrix: [Double] { get set }
```