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Here are some ressources related to Quaternions, Rotation, Geometric. Hoping you will find learning material, alternative tools or just some interesting stuff.

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Articles

Quaternions: A Practical Guide

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Pixar's notes on Rigid Body Simulation (2001) [pdf]

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Exponentially Better Rotations

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Visualizing quaternions: an explorable video series (2018)

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Let's remove Quaternions from every 3D Engine (2018)

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Quaternions

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Skateboard Tricks and Topological Flips

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Rotations with quaternions

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All Hail Geometric Algebra

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I/Q Data for Dummies

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4D Toys: how objects bounce and roll in 4D – paper accepted to SIGGRAPH 2020

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Basic skeletal animation with geometric algebra

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Let's remove quaternions from every 3D engine (2018)

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Periodic Planar Three-Body Orbits

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Visualizing Complex Functions

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Let's remove Quaternions from every 3D Engine

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Visualizing quaternions: An explorable video series

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Understanding Quaternions

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Quaternions: the Strange Numbers That Birthed Modern Algebra

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Random Points on a Sphere

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Less Weird Quaternions Using Geometric Algebra

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How Quaternions encode rotations: derivation and sample code

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Double Pendulum in fewer than 100 lines of JavaScript

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Quaternion Knowledge Graph Embeddings (2019)

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2D Rigid Body Collision Resolution

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Exponentially Better Rotations (2022)

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Quaternion Differentiation (2012)

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