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Linear AlgebraMediumOrthogonality & Least Squares

Orthogonality & Least Squares · Medium problem

Compute u⋅v\mathbf u\cdot\mathbf v for u=(2,0,−1)\mathbf u = (2, 0, -1) and v=(5,1,3)\mathbf v = (5, 1, 3).