---
title: "Broadcasting mathematical notation"
description: "Broadcasting is a recurring research-paper notation family. Aligns trailing axes and conceptually expands size-one dimensions so elementwise operations…"
canonical_url: "https://fanout.sh/labs/math-decoder/symbol/broadcasting"
md_url: "https://fanout.sh/labs/math-decoder/symbol/broadcasting.md"
last_updated: "2026-08-09"
access: "public"
---

# Broadcasting mathematical notation

Broadcasting is a recurring research-paper notation family. Aligns trailing axes and conceptually expands size-one dimensions so elementwise operations…

## Public overview

Broadcasting is a recurring research-paper notation family. Aligns trailing axes and conceptually expands size-one dimensions so elementwise operations can combine differently shaped tensors.

Broadcasting: Aligns trailing axes and conceptually expands size-one dimensions so elementwise operations can combine differently shaped tensors. Example: Add the same feature vector to every batch item and token.

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