Home › Forums › GAMES在线课程(现代计算机图形学入门)讨论区 › Lecture04最后正交投影的问题 Tagged: Games101 This topic has 2 replies, 2 voices, and was last updated 3 years, 5 months ago by p0e0o0p0l0e0. Viewing 1 reply thread Author Posts 2021年7月7日 at 下午4:25 #8833 Score: 0 p0e0o0p0l0e0Participant 看明白了老师讲的An + B = n^2,然后类似得到Af + B = f^2,但这里有个问题,这两个等式成立的条件,是两个不同的矩阵吧?第一个等式,对应的矩阵第一行是n,0,0,0,而第二个等式对应的矩阵第一行是f,0,0,0,也就是说这两个等式里的A和B应该不是同一个吧?为什么可以这样解二元一次方程组呢? Attachments:You must be logged in to view attached files. 2021年7月8日 at 上午11:18 #8849 Score: 1 tmkParticipant Karma: 4 pts 是同一个矩阵,因为在far平面中心点坐标是(0,0,f,1),第一个是0,那么变换矩阵第一行可以是n,0,0,0;按照第一行乘以第一列的规则是可以得到第一个值是0的 This post has received 1 vote up. 2021年7月8日 at 下午6:09 #8852 Score: 0 p0e0o0p0l0e0Participant 理解了,非常感谢🔅 Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In