---
title: "Residual connection mathematical notation"
description: "Residual connection is a recurring research-paper notation family. Adds a block's input directly to its transformed output, providing an identity path…"
canonical_url: "https://fanout.sh/labs/math-decoder/symbol/residual-connection"
md_url: "https://fanout.sh/labs/math-decoder/symbol/residual-connection.md"
last_updated: "2026-08-09"
access: "public"
---

# Residual connection mathematical notation

Residual connection is a recurring research-paper notation family. Adds a block's input directly to its transformed output, providing an identity path…

## Public overview

Residual connection is a recurring research-paper notation family. Adds a block's input directly to its transformed output, providing an identity path through a deep network.

Residual connection: Adds a block's input directly to its transformed output, providing an identity path through a deep network. Example: Combine the unchanged input with the block's learned change.

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