斜的拋物線
設f(x)=xx,如果f(x)逆時針旋轉45度後,那這個二次曲線長什麼樣?不,他的方程式怎
麼寫。
用矩陣複數硬算實在太好笑,我相信有別的方法,願聞之。
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※ 編輯: max112358 (61.62.77.72), 01/14/2016 00:10:51
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