Determinant Basics
The determinant is a scalar value computed from a square matrix. For a 2x2 matrix [[a,b],[c,d]], the determinant is ad - bc. It tells us about area scaling and whether the matrix is invertible.
The determinant is a scalar value computed from a square matrix. For a 2x2 matrix [[a,b],[c,d]], the determinant is ad - bc. It tells us about area scaling and whether the matrix is invertible.