Below is an overview of the core topics covered in these courses and where you can find reputable PDF resources for the most commonly used textbooks in these programs. Core Topics in "505" Linear Algebra
Jacobi and Gauss-Seidel methods, SVD (Singular Value Decomposition), and QR methods. Download 00505 algebra lineal pdf
If you are looking for the standard textbooks often used in these courses, several are available through academic repositories: Below is an overview of the core topics
Elimination, factorization methods, and iterative refinement. SVD (Singular Value Decomposition)