---
title: "init(device:upper:order:numberOfRightHandSides:)"
framework: metalperformanceshaders
role: symbol
role_heading: Initializer
path: "metalperformanceshaders/mpsmatrixsolvecholesky/init(device:upper:order:numberofrighthandsides:)"
---

# init(device:upper:order:numberOfRightHandSides:)

## Declaration

```swift
init(device: any MTLDevice, upper: Bool, order: Int, numberOfRightHandSides: Int)
```