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Krasjet
/
quaternion
A brief introduction to the quaternions and its applications in 3D geometry.
https://krasjet.github.io/quaternion/
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关于自由度的讨论
#39
zhangzhize
closed
1 month ago
1
关于gimbal lock中的旋转矩阵问题讨论
#38
ShinoSpace
opened
2 months ago
1
这里是不是计算有误啊，不太理解你书本上的那一段。
#37
linround
opened
1 year ago
4
P42 nlerp 的两个输入向量必须是单位向量，否则差值结果不会经过初始和最终向量
#36
sunyc11
opened
1 year ago
1
3.1.4 四元数乘法 左乘和右乘的定义是否写反了？
#35
exitNA
closed
1 year ago
1
请问单位四元数点乘等于其夹角的余弦值, 可以添加证明吗?
#34
young40
opened
2 years ago
1
想问一下方向余弦矩阵，坐标轴的转换为什么和单纯的向量旋转的矩阵不一样呢
#33
Lovely-XPP
closed
2 years ago
1
勘误
#32
zhongxiang117
closed
2 years ago
2
勘误笔误 32页
#31
xuzishi
closed
3 years ago
0
Quaternion 2.3节中的问题
#30
Mud-B
closed
3 years ago
2
勘误
#29
LucunJi
closed
3 years ago
1
第 3.1.5 四元数的乘法矩阵形式，左乘与又乘式子相同
#28
fochive00
closed
3 years ago
1
勘误
#27
kdxcxs
closed
3 years ago
0
28页，sin(θ)u × sin(θ)u=0是怎么推算出来的，我推了很多遍没有推算出来，似乎不能直接拿普通向量代入
#26
deng-shidong
closed
3 years ago
1
29页Lemma2，v∥不是纯四元数也行吧？
#25
Aquapisces
closed
3 years ago
1
文档第二章关于旋转轴U的定义似乎有个小问题？
#24
Mashura
closed
3 years ago
1
文档笔误
#23
kevin3134
closed
3 years ago
0
万向节死锁里面按照x-y-z的顺序旋转，考虑到绕x转的时候，y轴方向已经变了，怎么会出现x和z只是交换，仍构成同一平面的情况呢，如果同一平面成立，那y的方向肯定不变，考虑到y垂直于xz组成的平面
#22
linsanityyong
opened
3 years ago
4
请问文中的插图用什么画的？
#21
itfanr
closed
4 years ago
2
关于 "3.1.6 Graßmann 积” 的一些愚见
#20
Guang1234567
closed
4 years ago
3
19页的一个小笔误-> 等式两边同时右乘以k
#19
wwd605075811
closed
4 years ago
0
两个小笔误
#18
shuyong
closed
4 years ago
1
错误：2 三维空间中的旋转
#17
20minute
closed
4 years ago
3
請問四元數一個證明q*q=qq*
#16
Sketh
closed
5 years ago
0
7.3二重四元数是否能表示缩放
#15
gdgd8760
closed
4 years ago
1
您好，我有一疑问，5.4节中双倍覆盖带来的问题，q1和-q1是同一个向量而图示中-q1和q1却是相反的向量，这样是不是有问题？应该描述为一个小于180度的角度和大于180度的角度是吗？
#14
mantangL
closed
5 years ago
1
四元数转矩阵的公式是否有两种可能性
#13
gdgd8760
closed
5 years ago
1
43页 概念疑似错误
#12
XinArkh
closed
5 years ago
2
39页 错别字
#11
XinArkh
closed
5 years ago
0
34页 缩进错误
#10
XinArkh
closed
5 years ago
2
18页 符号笔误
#9
XinArkh
closed
5 years ago
0
13页的正交投影
#8
thegreatskywalkerxu
closed
5 years ago
1
Graßmann 积
#7
XinZhaoDC
closed
5 years ago
1
quaternion.pdf第24页有一个错误
#6
cp-shen
closed
5 years ago
0
第10页有一个错误
#5
ustbguan
closed
5 years ago
0
第21页一个错误
#4
Gatevin
closed
5 years ago
1
第七页有个笔误
#3
Tanc-ANT
closed
5 years ago
0
3.1.8 逆和转置
#2
zgpxgame
closed
6 years ago
1
33页 Section3.4 第五行的typo
#1
yd278
closed
6 years ago
1