Exercise 6.4

Question

Consider the matrices
$$A = \begin{bmatrix} 1 & 0 \ 0 & 1 \ 1 & 0 \end{bmatrix}, \qquad B =  \begin{bmatrix} 1 & 2 \ 0 & 1 \ 1 & 0 \end{bmatrix}.$$
Answer the following questions by hand calculation.
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(a) What is the orthogonal projector $P$ onto $range(A)$, and what is the image under $P$ of the vector $(1, 2, 3)^*$?
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(b) Same questions for $B$.

Desh Raj · Accepted Answer

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Exercise 6.4

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Exercise 6.4

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