Machine Learning, Linear Algebra, Gaussian Elimination, Inverse Matrix, Numpy.
multiplied by 4 from third row: Next, we’ll add first row to the second one: Good, we need to do one last thing to get triangular form — get 0 where we have -6. To achive this we have to multiply second row by 6/8 and add it to third row: This is the final form of our matrix, since we have zeros