---
title: "encodeGradientSequence(commandBuffer:forwardSources:forwardSourceOffsets:sourceGradients:sourceOffsets:destinationGradients:destinationOffsets:weightGradients:trainingStates:recurrentInputState:recurrentOutputStates:weights:)"
framework: metalperformanceshaders
role: symbol
role_heading: Instance Method
path: "metalperformanceshaders/mpsrnnmatrixtraininglayer/encodegradientsequence(commandbuffer:forwardsources:forwardsourceoffsets:sourcegradients:sourceoffsets:destinationgradients:destinationoffsets:weightgradients:trainingstates:recurrentinputstate:recurrentoutputstates:weights:)"
---

# encodeGradientSequence(commandBuffer:forwardSources:forwardSourceOffsets:sourceGradients:sourceOffsets:destinationGradients:destinationOffsets:weightGradients:trainingStates:recurrentInputState:recurrentOutputStates:weights:)

## Declaration

```swift
func encodeGradientSequence(commandBuffer: any MTLCommandBuffer, forwardSources: [MPSMatrix], forwardSourceOffsets: UnsafeMutablePointer<Int>?, sourceGradients: [MPSMatrix], sourceOffsets sourceGradientOffsets: UnsafeMutablePointer<Int>?, destinationGradients: [MPSMatrix]?, destinationOffsets: UnsafeMutablePointer<Int>?, weightGradients: [MPSMatrix]?, trainingStates: [MPSRNNMatrixTrainingState], recurrentInputState: MPSRNNRecurrentMatrixState?, recurrentOutputStates: NSMutableArray?, weights: [MPSMatrix])
```