向量:u=(u1,u2,u3) v=(v1,v2,v3) 叉积公式:u x v = { u2v3-v2u3 , u3v1-v3u1 , u1v2-u2v1 } 点积公式:u * v = u1v1+u2v2+u3v3 < 上一篇 下一篇 > Leave a Reply Cancel replyYour email address will not be published. Required fields are marked * * * Save my name, email, and website in this browser for the next time I comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.