---
title: "Stop gradient mathematical notation"
description: "Stop gradient is a recurring research-paper notation family. Returns the same forward value while instructing automatic differentiation to treat that…"
canonical_url: "https://fanout.sh/labs/math-decoder/symbol/stop-gradient"
md_url: "https://fanout.sh/labs/math-decoder/symbol/stop-gradient.md"
last_updated: "2026-08-09"
access: "public"
---

# Stop gradient mathematical notation

Stop gradient is a recurring research-paper notation family. Returns the same forward value while instructing automatic differentiation to treat that…

## Public overview

Stop gradient is a recurring research-paper notation family. Returns the same forward value while instructing automatic differentiation to treat that value as constant during backpropagation.

Stop gradient: Returns the same forward value while instructing automatic differentiation to treat that value as constant during backpropagation. Example: Both terms affect the value, but only the first contributes derivative through x.

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