1. 鍚戦噺涔樻硶鎬庢牱綆楋紵
鍚戦噺涔樻硶鍙浠ユ湁涓ょ嶅艦寮忥細鐐圭Н錛堝唴縐錛夊拰鍙夌Н錛堝栫Н錛夈
1. 鐐圭Н錛氱粰瀹氫袱涓猲緇村悜閲廰鍜宐錛岀偣縐鐨勮＄畻鏂瑰紡涓哄皢涓や釜鍚戦噺瀵瑰簲鍏冪礌鐩鎬箻錛岀劧鍚庡皢鎵鏈変箻縐鐩稿姞銆傜偣縐鍙浠ヨ〃紺轟負錛歛 路 b = a1*b1 + a2*b2 + ... + an*bn銆傚叾涓錛宎1銆乤2銆...銆乤n涓哄悜閲廰鐨勫悇涓鍒嗛噺錛宐1銆乥2銆...銆乥n涓哄悜閲廱鐨勫悇涓鍒嗛噺銆
2. 鍙夌Н錛氱粰瀹氫袱涓涓夌淮鍚戦噺a鍜宐錛屽弶縐鐨勮＄畻鏂瑰紡涓哄彇涓や釜鍚戦噺鐨勫弶縐寰楀埌鐨勬柊鍚戦噺錛屾柊鍚戦噺涓庡師涓や釜鍚戦噺鍨傜洿銆傝＄畻鍏寮忎負錛歛 脳 b = (a2*b3 - a3*b2, a3*b1 - a1*b3, a1*b2 - a2*b1)銆傚叾涓錛宎1銆乤2銆乤3涓哄悜閲廰鐨勫垎閲忥紝b1銆乥2銆乥3涓哄悜閲廱鐨勫垎閲忋傚弶縐鍙閫傜敤浜庝笁緇村悜閲忋
闇瑕佹敞鎰忕殑鏄錛屽悜閲忎箻娉曠殑緇撴灉鏄涓涓鏂扮殑鍚戦噺錛屽叾緇村害鍜岃緭鍏ュ悜閲忓彲鑳戒笉鍚屻