Problem 2 Let A denote the following matrix: A= 1 -1 -3 4
-9 -1 7 -26
5 1 -3 14
(a) Explain how to calculate an orthogonal basis for Row(A) and do so. (b) Explain how to calculate the orthogonal projection of y = [1]
[1]
[1] onto Row(A) and do so.