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Matrices - Coggle Diagram
Matrices
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Projection matrix
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Ax = b's projection on Cols(A)
Ax = p = Pb
A^tAx = A^tb
x = (A^tA)^-1A^tb
Ax = A(A^tA)^-1A^tb = Pb
P = A(A^tA)^-1A^t
p = A(A^tA)^-1A^tb
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