An orthogonal matrix \( \quad \begin{aligned} \checkmark[\text { Select }] \\ \text { never } \\ \text { always } \\ \text { sometimes }\end{aligned} \)
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An orthogonal matrix \( Q \) is a square matrix whose columns and rows are orthogonal unit vectors, meaning \( Q^T Q = I \), where \( Q^T \) is the transpose of \( Q \) and \( I \) is the identity matrix. Show more…
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