kipriyanovichAlright, future engineers!
**Determinant:** A scalar value from a square matrix. Reveals invertibility & volume scaling.
Ex: For `[[a,b],[c,d]]`, `det(A) = ad - bc`.
Pro-Tip: If `det(A) = 0`, the matrix is singular & its columns are linearly dependent!
#LinearAlgebra #MatrixMath #STEM #StudyNotes
**Determinant:** A scalar value from a square matrix. Reveals invertibility & volume scaling.
Ex: For `[[a,b],[c,d]]`, `det(A) = ad - bc`.
Pro-Tip: If `det(A) = 0`, the matrix is singular & its columns are linearly dependent!
#LinearAlgebra #MatrixMath #STEM #StudyNotes