【Book3_Ch09_深入圆锥曲线_Page8】图8 的标注问题

[shaoyuping]

矩形上下边界处坐标应为 （0,n）(0,-n)

[Visualize-ML]

谢谢你，坐标值确实反了。请继续批评指正。

On Thu, Sep 7, 2023 at 11:43 AM shaoyuping @.***> wrote:

[image: 1694101196(1)] https://user-images.githubusercontent.com/13628342/266370532-85c643fc-c414-44df-a4d6-fd986727f495.png 矩形上下边界处坐标应为 （0,n）(0,-n)

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