Hands-on Practical: Solving for Model Coefficients
章节 4: Vector Spaces, Subspaces, and Linear Independence
Linear Combinations and Span
Linear Independence of Vectors
Column Space and Null Space
Hands-on Practical: Analyzing Feature Vector Sets
章节 5: Eigenvalues and Eigenvectors
Definition of Eigenvalues and Eigenvectors
The Characteristic Equation
Eigen-decomposition of a Matrix
Significance in Principal Component Analysis (PCA)
Calculating Eigenvalues/Eigenvectors with NumPy
Hands-on Practical: Eigen-decomposition Calculations
章节 6: Matrix Decompositions for Machine Learning
Introduction to Matrix Decompositions
Singular Value Decomposition (SVD)
Geometric Interpretation of SVD
SVD for Dimensionality Reduction
SVD Applications in Data Compression
Relationship between SVD and Eigen-decomposition
Overview of LU Decomposition
Overview of QR Decomposition
Implementing Decompositions with SciPy/NumPy
Hands-on Practical: Applying SVD