---
title: "encodeCopyWeights(commandBuffer:weights:matrixId:matrix:copyFromWeightsToMatrix:matrixOffset:)"
framework: metalperformanceshaders
role: symbol
role_heading: Instance Method
path: "metalperformanceshaders/mpsrnnmatrixtraininglayer/encodecopyweights(commandbuffer:weights:matrixid:matrix:copyfromweightstomatrix:matrixoffset:)"
---

# encodeCopyWeights(commandBuffer:weights:matrixId:matrix:copyFromWeightsToMatrix:matrixOffset:)

## Declaration

```swift
func encodeCopyWeights(commandBuffer: any MTLCommandBuffer, weights: [MPSMatrix], matrixId: MPSRNNMatrixId, matrix: MPSMatrix, copyFromWeightsToMatrix: Bool, matrixOffset: MTLOrigin)
```