Linear Algebra, Matrix, Linear System, Basics, Dot Product.
2 with row 3 and we’ll be fine. b) Multiply a row by a scalar k ≠ 0. c) Substitute a row by its sum with a multiple of another row. That is, Row1 can become Row1 + 3*Row2. d) Discard of adding a row with only zeros. 5. Solving Linear Systems First, we have to define what a pivot is: The “pivot” or