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e(ϕ) = i cos ϕ + j sin ϕ M
{O; i, j}
x = ρ cos ϕ, y = ρ sin ϕ.
M
M 6= O ϕ
2πk k ∈ Z M = O ϕ
ρ
(ρ; ϕ)
(−ρ; ϕ + π)
M
(ρ; ϕ) ϕ
ρ
`↑
O
a
M
ϕ
O F
= H-~8-;2 .39;-2:-7?,* 1--3L0,68 8-)10 M -8K e(ϕ) = i cos ϕ + j sin ϕ ,-/08*7?,- 3*.*36 /b9[6, / ** .-793,;0 1--3L0,686;0 /7*L2K {O; i, j} J}0;0 /--8,-I*,09;0 x = ρ cos ϕ, y = ρ sin ϕ. `Ú [ 236b,*,0M `Ú b0L,-\ )8- .39;-2:-7?,* 1--3L0,68 8-)10 M -L,-K [,6),- -.3*L*79J8/9 .- ** .-793,; 1--3L0,686;= L,61- -+368,-* ,* 0;**8 ;*/86= ¼/70 M 6= O \ 8- ϕ -.3*L*79*8/9 / 8-),-/8?J L- /76:6*;-:-\ 1368,-:- 2πk \ k ∈ Z \ 6 */70 M = O \ 8- ϕ ;-|*8 +8? 7J+; b*}*/8b*,K ,; )0/7-;= P3-;* 8-:-\ 0,-:L6 2L-+,- /)0868?\ )8- ρ ;-|*8 .30,0;68? 0 -830 68*7?,* [,6)*,09 = H30 ~8-; /)086*8/9\ )8- 1--3L0,68 (ρ; ϕ) 0 ) (−ρ; ϕ + π) [6L6J8 -L,2 0 82 |* 8- 12 ~8- ;-|,- .-9/,08? /7*L2J}0; -+36[-; )8-+ ,6M80 ,6 .7-/1-/80 8-)12 M / .-793,;0 1--3L0,686;0 (ρ; ϕ) \ ,2|,- .-b*3,28? .-793,2J -/? b-132: .-7J/6 ,6 2:-7 ϕ 0 [68*; -87-|08? ,6 ,*M 8-)12 / 1--3L0,68-M ρ= M ϕ O a `↑ Ç0/= òò= H30 b+-3* .-793,-M /0/8*; 1--3L0,68 L79 0[2)*,09 ~770./6\ :0.*3K +-7 070 .636+-7 */8*/8b*,,- 36/.-76:68? .-7J/ 070 b ,6)67* 16,-,0K )*/1-M /0/8*; 1--3L0,68\ 070 b O-12/* 36//;6830b6*;-M 130b-M\ 6 b 16K )*/8b* .-793,-M -/0 */8*/8b*,,- +368? -/? 6+/ 0// 16,-,0)*/1-M /0/8*; 1--3L0,68= { ~8-; .636:36O* ; 36//;-830; /7*L2J}2J .-793,2J /0/8*;2 1--3K L0,68\ 2L-+,2J L79 -L,-b3*;*,,-:- 0[2)*,09 0 ~770./6\ 0 :0.*3+-7\ 0 .636+-7 .-7J/ O .-;*}6*; b O-12/ F .636+-7\ 7*bM O-12/ ~770./6 0 b .36bM O-12/ :0.*3+-7 -8,-/08*7?,- 16,-,0)*/1-M /0/8*; 1--3L0K ,68\ 6 b 16)*/8b* .-793,-M -/0 +*3*; -/? 6+/ 0// 16,-,0)*/1-M /0/8*; 1--3L0,68 /;= 30/= ò_= 610* .-793,* /0/8*; 1--3L0,68 ,6N-L98 .30K ;*,*,0* b 6/83-,-;00\ .-/1-7?12 836*18-309;0 ,*+*/,N 8*7\ .30+70|6K ÙÝ
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