kipriyanovichAlright, future engineers!
**Matrix Multiplication** combines two matrices `A` & `B` into `C=AB`. Each `C_ij` is `(Row i of A) . (Col j of B)`.
Ex: `(m x n)` times `(n x p)` gives `(m x p)`. Inner dimensions `n` must match!
Pro-Tip: Order matters! `AB` is rarely equal to `BA` (not commutative).
#LinearAlgebra #MatrixOps #STEM #StudyNotes
**Matrix Multiplication** combines two matrices `A` & `B` into `C=AB`. Each `C_ij` is `(Row i of A) . (Col j of B)`.
Ex: `(m x n)` times `(n x p)` gives `(m x p)`. Inner dimensions `n` must match!
Pro-Tip: Order matters! `AB` is rarely equal to `BA` (not commutative).
#LinearAlgebra #MatrixOps #STEM #StudyNotes