人工智能教程 - 数学基础课程1.3 - 高等代数(一)-13-16

最小二乘 y = C+ Dt 最佳总误差最小(optimal = overall error as small as I can) make it { C + D = 1 C + 2 D = 2 C + 3 D = 2 \left\{\begin{matrix} C+ D = 1 \\ C+ 2D = 2 \\ C+ 3D = 2 \end{matrix}\right. ⎩⎨⎧​C+D=1C+2D
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