(a) Find the line y = C + Dx that best fits the data (x, y) = {(0, 1), (1, 8), (2, 8), (3, 20)}. (b) Find a system of 3 linear equations on C, D, E that gives the coefficients of the least squares approximation of the same data points by a function y = C+Dx + E2.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Can you please answer this question on pencil and paper? I'm more confused on how to do part b more than anything. I would appreciate it though if you were to answer part a as well. 

(a) Find the line y = C + Dx that best fits the data (x, y) = {(0, 1), (1, 8), (2, 8), (3, 20)}.
(b) Find a system of 3 linear equations on C, D, E that gives the coefficients of the least
squares approximation of the same data points by a function y = C+DxE2.
Transcribed Image Text:(a) Find the line y = C + Dx that best fits the data (x, y) = {(0, 1), (1, 8), (2, 8), (3, 20)}. (b) Find a system of 3 linear equations on C, D, E that gives the coefficients of the least squares approximation of the same data points by a function y = C+DxE2.
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