---
title: "SparseMultiply(_:_:)"
framework: accelerate
role: symbol
role_heading: Function
path: "accelerate/sparsemultiply(_:_:)-3dwed"
---

# SparseMultiply(_:_:)

Perform the multiply operation y = Subfactor * x for complex floatr values, in place.

## Declaration

```swift
func SparseMultiply(_ Subfactor: SparseOpaqueSubfactor_Complex_Float, _ XY: DenseVector_Complex_Float)
```

## Parameters

- `Subfactor`: (Input) The subfactor to multiply by, as returned by SparseCreateSubfactor().

## See Also

### Subfactor and dense matrix multiplication

- [SparseMultiply(_:_:)](accelerate/sparsemultiply(_:_:)-88trz.md)
- [SparseMultiply(_:_:)](accelerate/sparsemultiply(_:_:)-3r4mf.md)
- [SparseMultiply(_:_:_:)](accelerate/sparsemultiply(_:_:_:)-4nosz.md)
- [SparseMultiply(_:_:_:)](accelerate/sparsemultiply(_:_:_:)-88stx.md)
- [SparseMultiply(_:_:)](accelerate/sparsemultiply(_:_:)-34fp6.md)
- [SparseMultiply(_:_:_:)](accelerate/sparsemultiply(_:_:_:)-6wrnf.md)
- [SparseMultiply(_:_:_:)](accelerate/sparsemultiply(_:_:_:)-7q8gs.md)