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求一平面,通過(1,0,0)與(0,0,1)兩點,而與平面z^2=xy+4相切 感覺蠻複雜的@@ -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 115.43.134.210
tmtbhd:-8x-3/2(y)-8z=-8 有人算這個嗎?? 61.57.93.96 06/14 20:08
wxzgtwinnew:可以提供一下算法嗎,謝謝 118.168.91.114 06/14 20:36
icenivek:設切點為(Xo,Yo,Zo)配上對平面偏微代入後118.168.106.218 06/15 00:04
icenivek:可得法向量->平面方程式(用Xo Yo Zo表示)118.168.106.218 06/15 00:04
icenivek:最後代入(1,0,0)(0,0,1)和(Xo,Yo,Zo)118.168.106.218 06/15 00:05
icenivek:配上原平面方程即可解出(Xo,Yo,Zo)118.168.106.218 06/15 00:05
midarmyman:SOGA! 140.117.198.78 06/15 15:23