---
title: "Norm mathematical notation"
description: "Norm is a recurring research-paper notation family. Measures the size of a vector, matrix, or function according to a named norm rule."
canonical_url: "https://fanout.sh/labs/math-decoder/symbol/norm"
md_url: "https://fanout.sh/labs/math-decoder/symbol/norm.md"
last_updated: "2026-08-09"
access: "public"
---

# Norm mathematical notation

Norm is a recurring research-paper notation family. Measures the size of a vector, matrix, or function according to a named norm rule.

## Public overview

Norm: Measures the size of a vector, matrix, or function according to a named norm rule. Example: Square the coordinates, add them, and take the square root.

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