Многострукост
DESCRIPTION
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-
, 180. , - . - , 180. , .
, - . -, . , , -. (-), . - , , . -, . , , . , - - . . , -, , , , - , -
. - , - , .
1
1.1
1: - , -. .
. , . , - ( - 1), -{x2 + y2 = 1}-, -{y}- - ( 1). - -{x}- . - (1, 1):
gore(x; y) = x
1
-
2 1
desno(x; y) = y:
. - (), () (-) . . : - -{x}- -{y}- - . -{gore}- -{desno}- (0, 1). -{T}- (0, 1) , , . -{a}- (0, 1), :
T (a) = desno1gore(a)
= desno
a;p1 a2
=p1 a2:
.
2: , .
, , - , . - , .
minus(x; y) = s =y
1 + x
plus(x; y) = t =y
1 x:
-{s}- - -{(x, y)}- (1, 0); -{t}- , (+1, 0). -{s}- -{(x, y)}-
x =1 s21 + s2
; y =2s
1 + s2;
-{x2+y2 = 1}- - -{s}-. ,
t =1
s:
, (1, 0) -{s}- (+1, 0) -{t}-, . - , , -. , , .
-
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