---
title: "Tensor stacking mathematical notation"
description: "Tensor stacking is a recurring research-paper notation family. Combines equal-shaped tensors by inserting a new axis that indexes which input tensor…"
canonical_url: "https://fanout.sh/labs/math-decoder/symbol/stacking"
md_url: "https://fanout.sh/labs/math-decoder/symbol/stacking.md"
last_updated: "2026-08-09"
access: "public"
---

# Tensor stacking mathematical notation

Tensor stacking is a recurring research-paper notation family. Combines equal-shaped tensors by inserting a new axis that indexes which input tensor…

## Public overview

Tensor stacking is a recurring research-paper notation family. Combines equal-shaped tensors by inserting a new axis that indexes which input tensor supplied each slice.

Tensor stacking: Combines equal-shaped tensors by inserting a new axis that indexes which input tensor supplied each slice. Example: Create a new leading axis distinguishing the two vectors.

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