Resources: LU Decomposition

Question

what are some good resources to learn about LU decomposition ?

Answer 1

some resources that I can find:

1) What are Elementary Matrices? | Linear Algebra (important)
2) LU-Decomposition of a Matrix Explained | Linear Algebra (proof included)
3) LDU-Decomposition of a Matrix Explained | Linear Algebra (very close to LU decomposition. so, no harm in learning)
4) PLU-Decomposition of a Matrix Explained | Linear Algebra (optional)

5) Lecture 11a. LU Decomposition | Shortcut to Find Decomposition | Linear Algebra | Sachin Mittal (sufficient for solving GATE pyq's)

extra:

1) https://www.statlect.com/matrix-algebra/lu-decomposition (various proofs)

2) 4. Factorization into A = LU (by Gilbert Strang)
3) LU Decomposition

4) LU decomposition - An Example Calculation
5) PLU decomposition - An Example

6) L U = P A -Matrix Decomposition/Factoring