---
title: "init(diagonal:)"
framework: usdkit
role: symbol
role_heading: Initializer
platforms: [iOS 27.0+, iPadOS 27.0+, Mac Catalyst 27.0+, macOS 27.0+, tvOS 27.0+, visionOS 27.0+]
path: "usdkit/usdvalue/matrix4f/init(diagonal:)"
---

# init(diagonal:)

Creates a diagonal matrix with s on the diagonal and zeros elsewhere.

## Declaration

```swift
init(diagonal s: Float)
```