---
title: "init(sourceMatrices:destinationMatrices:offsetVector:offset:)"
framework: metalperformanceshaders
role: symbol
role_heading: Initializer
path: "metalperformanceshaders/mpsmatrixcopydescriptor/init(sourcematrices:destinationmatrices:offsetvector:offset:)"
---

# init(sourceMatrices:destinationMatrices:offsetVector:offset:)

## Declaration

```swift
init(sourceMatrices: [MPSMatrix], destinationMatrices: [MPSMatrix], offsetVector offsets: MPSVector?, offset byteOffset: Int)
```