1. 钖戦噺涔樻硶镐庢牱绠楋纻
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2. 鍙夌Н锛氱粰瀹氢袱涓涓夌淮钖戦噺a鍜宐锛屽弶绉镄勮＄畻鏂瑰纺涓哄彇涓や釜钖戦噺镄勫弶绉寰楀埌镄勬柊钖戦噺锛屾柊钖戦噺涓庡师涓や釜钖戦噺鍨傜洿銆傝＄畻鍏寮忎负锛歛 脳 b = (a2*b3 - a3*b2, a3*b1 - a1*b3, a1*b2 - a2*b1)銆傚叾涓锛宎1銆乤2銆乤3涓哄悜閲廰镄勫垎閲忥纴b1銆乥2銆乥3涓哄悜閲廱镄勫垎閲忋傚弶绉鍙阃傜敤浜庝笁缁村悜閲忋
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