---
title: iA_desc
framework: accelerate
role: symbol
role_heading: Instance Property
path: accelerate/bnnslayerparameterstensorcontraction/ia_desc
---

# iA_desc

The descriptor of input matrix A.

## Declaration

```swift
var iA_desc: BNNSNDArrayDescriptor
```

## See Also

### Instance Properties

- [operation](accelerate/bnnslayerparameterstensorcontraction/operation.md)
- [alpha](accelerate/bnnslayerparameterstensorcontraction/alpha.md)
- [beta](accelerate/bnnslayerparameterstensorcontraction/beta.md)
- [iB_desc](accelerate/bnnslayerparameterstensorcontraction/ib_desc.md)
- [o_desc](accelerate/bnnslayerparameterstensorcontraction/o_desc.md)