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선형대수 11일차 - Coggle Diagram
선형대수 11일차
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QR분해
행렬 $$A = QR$$
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$$ \begin{bmatrix} x_1 & x_2 & x_3 \end{bmatrix} = \begin{bmatrix} u_1 & u_2 & u_3 \end{bmatrix}\begin{bmatrix} x_1\cdot u_1 & x_2 \cdot u_1 & x_3 \cdot u_1 \\ 0 & x_2 \cdot u_2 & x_3 \cdot u_2 \\ 0 & 0 & x_3 \cdot u_3 \end{bmatrix} $$
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