几何的代数方法(An algebraic approach to geometry by Borceux)勘误

本书是几何三部曲的第2部。

  • P5
    Papus' problem的叙述的第三行,

    call \(P_i'\) the intersection of
    应该是
    call \(P_i\) the ...

  • P 14 倒数第四行,

    \(\cos \frac{\theta}{2} = || QM ||\)
    应该是
    \(\cos \frac{\theta}{2} = || OM ||\)

  • P 14倒数第3行

    \(\Big(\dfrac{y_1 - x_1}{2}, \dfrac{y_2 - x_2}{2}, \dfrac{y_3 - x_3}{2} \Big)\)
    应该是
    \(\Big(\dfrac{y_1 + x_1}{2}, \dfrac{y_2 + x_2}{2}, \dfrac{y_3 + x_3}{2} \Big)\)

posted on 2017-06-19 23:13 星空暗流 阅读(...) 评论(...) 编辑 收藏

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