向量点积(Dot Product)

http://www.evernote.com/shard/s146/sh/e0d95bd1-68df-49d9-87c8-e21647d94e18/4d7af393bd986fd0c462ebd138f494b1

posted on 2013-11-05 15:06  上善若水123  阅读(741)  评论(0编辑  收藏  举报