SEP 8, 2026 · PREPRINT
Not All Variables Agree: Reliability-Aware Variable-Wise Gradient Surgery for Multivariate Time-Series Forecasting
arXiv
This is a preprint describing an algorithmic optimization technique for multivariate time-series forecasting, evaluated empirically across multiple datasets and backbones but without peer review, clinical validation, or comparison to established baselines.
Reported
Variable-wise gradient pairwise c…30.6%
Variables underperforming full-in…35 of 64
Mean squared error reduction3.61%