In Exercise 6, the least squares line to the data set D = [(ti, yi), i = 1, 2,..., m) is the line y = x1 +x2t, which minimizes

Similarly, the least squares quadratic (see Example 2) to the data set D is the parabola y = x1 + x2t +x3t2, which minimizes

Give a vector space argument to show that E2 ‰¤ E1.

Transcribed Image Text:

Mt -(xi 1-1