Linear Algebra for Machine Learning
Introduction
This comprehensive linear algebra course is structured around Gilbert Strang's "Introduction to Linear Algebra" and is specifically designed for machine learning practitioners. The material is organized into four major sections, each covering fundamental and advanced topics.
Course Structure
The course is divided into 4 sections, each containing:
- High-level Overview - Conceptual understanding with intuition
- Mathematical Deep-dive - Rigorous proofs and theorems
- Problems - University-level exam questions
- Python Implementation - Computational examples and code
The Four Sections
Section 1: Core Linear System Theory
Focus on fundamental algebraic structures and solution spaces.
Topics:
- Vector spaces and subspaces
- Linear independence, basis, and dimension
- The Four Fundamental Subspaces
- Linear transformations
- Matrix multiplication and LU decomposition
Section 2: Spectral Theory & Matrix Decompositions
Focus on eigenvalue analysis and matrix factorizations.
Topics:
- Eigenvalues and eigenvectors
- Diagonalization and powers of matrices
- Matrix exponentials and differential equations
- Singular Value Decomposition (SVD)
- Positive definite matrices
Section 3: Geometric & Optimization Methods
Focus on orthogonality, projections, and optimization.
Topics:
- Orthogonal vectors and subspaces
- Projections and least squares
- Gram-Schmidt process
- Optimization: minima, maxima, and saddle points
- Finite Element Method
Section 4: Computational Methods & Applications
Focus on numerical algorithms and advanced applications.
Topics:
- Matrix norms and condition numbers
- Eigenvalue computation algorithms
- Iterative methods for solving linear systems
- Linear programming and the Simplex Method
- Network models and game theory