作者GLP (^__________^)
看板trans_math
标题[张爸] 台湾大学- 向量
时间Sun Jun 14 15:34:11 2009
求一平面,通过(1,0,0)与(0,0,1)两点,而与平面z^2=xy+4相切
感觉蛮复杂的@@
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◆ From: 115.43.134.210
1F:推 tmtbhd:-8x-3/2(y)-8z=-8 有人算这个吗?? 61.57.93.96 06/14 20:08
2F:推 wxzgtwinnew:可以提供一下算法吗,谢谢 118.168.91.114 06/14 20:36
3F:推 icenivek:设切点为(Xo,Yo,Zo)配上对平面偏微代入後118.168.106.218 06/15 00:04
4F:→ 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
5F:→ icenivek:最後代入(1,0,0)(0,0,1)和(Xo,Yo,Zo)118.168.106.218 06/15 00:05
6F:→ icenivek:配上原平面方程即可解出(Xo,Yo,Zo)118.168.106.218 06/15 00:05
7F:推 midarmyman:SOGA! 140.117.198.78 06/15 15:23