---
tags: model
---
# spectral-filter

Learned filtering of the high frequencies.

## What happened

- 2026-09-21: 0.0841 nRMSE (−0.0069 on the baseline)
- 2026-09-26: 0.0822 nRMSE (−0.0088 on the baseline)

## Next

Stabilises long rollouts; merge it.