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Prerequisite Video Lectures

Essential mathematics for quantum mechanics: Linear Algebra and Multivariable Calculus

About These Resources

These carefully curated video lectures provide the mathematical foundation required to understand quantum mechanics. We recommend watching 3Blue1Brown series first for visual intuition, then diving into the MIT courses for rigorous understanding.

Study Path: Linear Algebra → Calculus → Tensors → Begin Quantum Mechanics Part I

Linear Algebra

Vectors, matrices, eigenvalues, and linear transformations

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3Blue1Brown - Essence of Linear Algebra

16 videos • Visual intuition • Best starting point

Grant Sanderson's legendary series that makes linear algebra click visually. Covers vectors, linear transformations, matrices, determinants, eigenvalues, and change of basis with stunning animations.

Chapter 1: Vectors - What even are they?
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Video Lecture

Vectors - 3Blue1Brown

💡 Tip: Watch at 1.25x or 1.5x speed for efficient learning. Use YouTube's subtitle feature if available.

Chapter 2: Linear combinations, span, and basis vectors
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Video Lecture

Linear Combinations - 3Blue1Brown

💡 Tip: Watch at 1.25x or 1.5x speed for efficient learning. Use YouTube's subtitle feature if available.

Chapter 3: Linear transformations and matrices
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Video Lecture

Linear Transformations - 3Blue1Brown

💡 Tip: Watch at 1.25x or 1.5x speed for efficient learning. Use YouTube's subtitle feature if available.

Chapter 4: Matrix multiplication as composition
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Video Lecture

Matrix Multiplication - 3Blue1Brown

💡 Tip: Watch at 1.25x or 1.5x speed for efficient learning. Use YouTube's subtitle feature if available.

Chapter 5: Three-dimensional linear transformations
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Video Lecture

3D Transformations - 3Blue1Brown

💡 Tip: Watch at 1.25x or 1.5x speed for efficient learning. Use YouTube's subtitle feature if available.

Chapter 6: The determinant
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Video Lecture

The Determinant - 3Blue1Brown

💡 Tip: Watch at 1.25x or 1.5x speed for efficient learning. Use YouTube's subtitle feature if available.

Chapter 7: Inverse matrices, column space, and null space
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Video Lecture

Inverse Matrices - 3Blue1Brown

💡 Tip: Watch at 1.25x or 1.5x speed for efficient learning. Use YouTube's subtitle feature if available.

Chapter 9: Dot products and duality
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Video Lecture

Dot Products - 3Blue1Brown

💡 Tip: Watch at 1.25x or 1.5x speed for efficient learning. Use YouTube's subtitle feature if available.

Chapter 13: Change of basis
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Video Lecture

Change of Basis - 3Blue1Brown

💡 Tip: Watch at 1.25x or 1.5x speed for efficient learning. Use YouTube's subtitle feature if available.

Chapter 14: Eigenvectors and eigenvalues ⭐ ESSENTIAL
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Video Lecture

Eigenvectors - 3Blue1Brown

💡 Tip: Watch at 1.25x or 1.5x speed for efficient learning. Use YouTube's subtitle feature if available.

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MIT 18.06 - Linear Algebra (Gilbert Strang)

34 lectures • Complete university course

The legendary MIT course by Professor Gilbert Strang. Rigorous, comprehensive, and the standard for university linear algebra. Watch key lectures below or access the full playlist.

Lecture 1: The Geometry of Linear Equations
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Video Lecture

MIT 18.06 Lecture 1

💡 Tip: Watch at 1.25x or 1.5x speed for efficient learning. Use YouTube's subtitle feature if available.

Lecture 6: Column Space and Nullspace
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Video Lecture

MIT 18.06 Lecture 6

💡 Tip: Watch at 1.25x or 1.5x speed for efficient learning. Use YouTube's subtitle feature if available.

Lecture 17: Orthogonal Matrices and Gram-Schmidt
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Video Lecture

MIT 18.06 Lecture 17

💡 Tip: Watch at 1.25x or 1.5x speed for efficient learning. Use YouTube's subtitle feature if available.

Lecture 21: Eigenvalues and Eigenvectors ⭐ ESSENTIAL
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Video Lecture

MIT 18.06 Lecture 21

💡 Tip: Watch at 1.25x or 1.5x speed for efficient learning. Use YouTube's subtitle feature if available.

Lecture 22: Diagonalization and Powers of A
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Video Lecture

MIT 18.06 Lecture 22

💡 Tip: Watch at 1.25x or 1.5x speed for efficient learning. Use YouTube's subtitle feature if available.

Calculus

Derivatives, integrals, multivariable calculus, and vector calculus

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3Blue1Brown - Essence of Calculus

12 videos • Visual intuition

Visual understanding of derivatives, integrals, and the fundamental theorem of calculus. Perfect for building intuition before diving into rigorous calculus.

Chapter 1: The essence of calculus
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Video Lecture

Essence of Calculus - 3Blue1Brown

💡 Tip: Watch at 1.25x or 1.5x speed for efficient learning. Use YouTube's subtitle feature if available.

Chapter 2: The paradox of the derivative
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Video Lecture

Derivatives - 3Blue1Brown

💡 Tip: Watch at 1.25x or 1.5x speed for efficient learning. Use YouTube's subtitle feature if available.

Chapter 3: Derivative formulas through geometry
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Video Lecture

Derivative Formulas - 3Blue1Brown

💡 Tip: Watch at 1.25x or 1.5x speed for efficient learning. Use YouTube's subtitle feature if available.

Chapter 8: Integration and the fundamental theorem ⭐
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Video Lecture

Integration - 3Blue1Brown

💡 Tip: Watch at 1.25x or 1.5x speed for efficient learning. Use YouTube's subtitle feature if available.

Chapter 11: Taylor series
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Video Lecture

Taylor Series - 3Blue1Brown

💡 Tip: Watch at 1.25x or 1.5x speed for efficient learning. Use YouTube's subtitle feature if available.

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MIT 18.02 - Multivariable Calculus (Denis Auroux)

35 lectures • Complete university course

Essential for quantum mechanics: partial derivatives, multiple integrals, gradient, divergence, curl, and coordinate systems. Professor Auroux is an excellent lecturer.

Lecture 1: Dot Product
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Video Lecture

MIT 18.02 Lecture 1

💡 Tip: Watch at 1.25x or 1.5x speed for efficient learning. Use YouTube's subtitle feature if available.

Lecture 8: Partial Derivatives ⭐ ESSENTIAL
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Video Lecture

MIT 18.02 Lecture 8

💡 Tip: Watch at 1.25x or 1.5x speed for efficient learning. Use YouTube's subtitle feature if available.

Lecture 12: Gradient ⭐ ESSENTIAL
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Video Lecture

MIT 18.02 Lecture 12

💡 Tip: Watch at 1.25x or 1.5x speed for efficient learning. Use YouTube's subtitle feature if available.

Lecture 16: Double Integrals
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Video Lecture

MIT 18.02 Lecture 16

💡 Tip: Watch at 1.25x or 1.5x speed for efficient learning. Use YouTube's subtitle feature if available.

Lecture 22: Divergence and Curl ⭐ ESSENTIAL
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Video Lecture

MIT 18.02 Lecture 22

💡 Tip: Watch at 1.25x or 1.5x speed for efficient learning. Use YouTube's subtitle feature if available.

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3Blue1Brown - Divergence and Curl

Visual explanation of vector calculus

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Video Lecture

Divergence and Curl - 3Blue1Brown

💡 Tip: Watch at 1.25x or 1.5x speed for efficient learning. Use YouTube's subtitle feature if available.

Tensors (Advanced)

Tensor notation and index manipulation for advanced QM

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eigenchris - Tensors for Beginners

15 videos • Foundation for advanced physics

Excellent introduction to tensor notation, covariant/contravariant indices, and transformations. Essential for understanding advanced quantum mechanics, relativity, and QFT.

Tensor 1: What is a Tensor?
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Video Lecture

What is a Tensor - eigenchris

💡 Tip: Watch at 1.25x or 1.5x speed for efficient learning. Use YouTube's subtitle feature if available.

Tensor 2: Covariant and Contravariant Components
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Video Lecture

Covariant Contravariant - eigenchris

💡 Tip: Watch at 1.25x or 1.5x speed for efficient learning. Use YouTube's subtitle feature if available.

Tensor 5: Index Notation
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Video Lecture

Index Notation - eigenchris

💡 Tip: Watch at 1.25x or 1.5x speed for efficient learning. Use YouTube's subtitle feature if available.

Recommended Study Path

1

3Blue1Brown - Essence of Linear Algebra

Build visual intuition for linear algebra concepts

2

MIT 18.06 (Selected lectures)

Rigorous understanding and practice problems

3

3Blue1Brown - Essence of Calculus

Visual understanding of calculus fundamentals

4

MIT 18.02 - Multivariable Calculus

Partial derivatives, gradient, divergence, curl

5

eigenchris - Tensors (Optional)

Preparation for advanced topics