---
title: epsilon
framework: accelerate
role: symbol
role_heading: Instance Property
path: accelerate/bnnsoptimizerrmspropfields/epsilon
---

# epsilon

A term that the optimizer adds to the denominator.

## Declaration

```swift
var epsilon: Float
```

## See Also

### Instance Properties

- [learning_rate](accelerate/bnnsoptimizerrmspropfields/learning_rate.md)
- [alpha](accelerate/bnnsoptimizerrmspropfields/alpha.md)
- [centered](accelerate/bnnsoptimizerrmspropfields/centered.md)
- [momentum](accelerate/bnnsoptimizerrmspropfields/momentum.md)
- [gradient_scale](accelerate/bnnsoptimizerrmspropfields/gradient_scale.md)
- [regularization_scale](accelerate/bnnsoptimizerrmspropfields/regularization_scale.md)
- [clip_gradients](accelerate/bnnsoptimizerrmspropfields/clip_gradients.md)
- [clip_gradients_min](accelerate/bnnsoptimizerrmspropfields/clip_gradients_min.md)
- [clip_gradients_max](accelerate/bnnsoptimizerrmspropfields/clip_gradients_max.md)
- [regularization_func](accelerate/bnnsoptimizerrmspropfields/regularization_func.md)