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how to represent the following in a linear model y=Xb + e where b' = (u,a1,a2,a3,y1,y2,y3)...

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Advance Math

how to represent the following in a linear model y=Xb + e whereb' = (u,a1,a2,a3,y1,y2,y3) ande'=(e11,e12,e13,e21,e22,e23,e31,e32,e33)

' means transpose

y11=u+a1+y1+e11

y12=u+a1+y2+e12

y13=u+a1+y3+e13

y21=u+a2+y1+e21

y22=u+a2+y2+e22

y23=u+a2+y3+e23

y31=u+a3+y1+e31

y32=u+a3+y2+e32

y33+u+a3+y3+e33

X is a matrix pattern but I am confused about 1 and 0placement

Also can X'X and X'y be determined and written in normalequations

Answer & Explanation Solved by verified expert
4.2 Ratings (700 Votes)
MATLABCodeclose allclearclcsyms e11 e12 e13 e21 e22 e23 e31 e32 e33syms u a1 a2 a3 y1 y2 y3assumee11 real    See Answer
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