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(175)  评论(0编辑  收藏

导航