Defines the line segment from (0,0) to (a,b), then rotated by R
8
表达式9: left parenthesis, left parenthesis, "a" times "a" Subscript, 11 , Baseline left parenthesis, "c" , right parenthesis plus "b" times "a" Subscript, 12 , Baseline left parenthesis, "c" , right parenthesis , right parenthesis "t" , left parenthesis, "a" times "a" Subscript, 21 , Baseline left parenthesis, "c" , right parenthesis plus "b" times "a" Subscript, 22 , Baseline left parenthesis, "c" , right parenthesis , right parenthesis "t" , right parenthesisa·a11c+b·a12ct,a·a21c+b·a22ct
00
定义域t最小值：
less than or equal to "t" less than or equal to≤t≤
11
定义域t最大值：
9
Standard Basis Vectors
对学生隐藏该文件夹。
10
Rotation Matrix
对学生隐藏该文件夹。
33
表达式41:
41
42
技术支持
技术支持
"R" ( "e" Subscript, 1 , Baseline )R(e1)
"R" ( "e" Subscript, 2 , Baseline )R(e2)
"R" equals [ cosine theta negative sine theta ; cosine theta sine theta ]R=[cosθ−sinθ;cosθsinθ]
