---
title: "createWeightMatrices(_:)"
framework: metalperformanceshaders
role: symbol
role_heading: Instance Method
path: "metalperformanceshaders/mpsrnnmatrixtraininglayer/createweightmatrices(_:)"
---

# createWeightMatrices(_:)

## Declaration

```swift
func createWeightMatrices(_ matricesOut: NSMutableArray)
```