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2次曲線の中心を加える


このモードでは、2次曲線の中心を求めて点を加えます。 特に、円の中心を求めることもできます。 一般的な2次曲線については、中心とは対称軸または漸近線の交点です。 2次曲線の中心は、2次曲線の上をくまなく動く点のアニメーションを作図するのに役立ちます。


楕円の中心 双曲線の中心





要約

2次曲線を選択して、その中心の点を加える。

注意

このモードは非ユークリッド幾何学では完全に機能するわけではありません。 たえず「ユークリッド的な意味での中心」を作図します。


(阿原)


Contributors to this page: Akira Iritani .
Page last modified on Tuesday 02 of August, 2011 [12:10:16 UTC] by Akira Iritani.

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