-1 show that ŝ = (X¹X)¯¹ XTY. ·
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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![3. Solve the problem and show that ŝ = (X¹X)`¹X¹Y. You will need the following results:
TX
ә [BTXTXB] = 28¹ XTX;
aß
ə
93 [BTX¹Y] = YTX;
aß
Ə
[YT XB] = YT X.
aß
Considering the problem this way allows us to solve the first order conditions all at once.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe35d795b-3b3a-45a5-a595-ba94ec33b836%2F1b45f241-5474-4442-b244-3c778caef20f%2Fjac87md_processed.png&w=3840&q=75)
Transcribed Image Text:3. Solve the problem and show that ŝ = (X¹X)`¹X¹Y. You will need the following results:
TX
ә [BTXTXB] = 28¹ XTX;
aß
ə
93 [BTX¹Y] = YTX;
aß
Ə
[YT XB] = YT X.
aß
Considering the problem this way allows us to solve the first order conditions all at once.
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