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136 6.12 SIMPLE LINEAR REGRESSION Show that r = cos 0, where is the angle between the vectors x - xj and Xnx)' and y - yj = (v₁-y, .... y yj, where x-xj = (x₁ - x, x2-x, . y2-y,..., yn - y)'.

136 6.12 SIMPLE LINEAR REGRESSION Show that r = cos 0, where is the angle between the vectors x - xj and Xnx)' and y - yj = (v₁-y, .... y yj, where x-xj = (x₁ - x, x2-x, . y2-y,..., yn - y)'.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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136 SIMPLE LINEAR REGRESSION 6.12 Show that r = cos 0, where 0 is the angle between the vectors x- xj and y - yj, where x- xj = (x1 - I, x2 – X, ..., xn – x)' and y- yj = (yı – y, y2 - y, ..., yn - y)'. |
Transcribed Image Text:136 SIMPLE LINEAR REGRESSION 6.12 Show that r = cos 0, where 0 is the angle between the vectors x- xj and y - yj, where x- xj = (x1 - I, x2 – X, ..., xn – x)' and y- yj = (yı – y, y2 - y, ..., yn - y)'. |
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