POO, Piles - Informatique Pour Tous

−→
u
k k−→ u
−→
u−→ v

ER2(A,B)
E[A,B] E A
R2AR2
A
P
P
A0A1A2A3A4A5A6A7A8A9A10 A11
(0,0) (1,4) (1,8) (4,1) (4,4) (5,9) (5,6) (7,−1) (7,2) (8,5) (11,6) (13,1)

(A, B, C)−−→ AB, −→ AC
A(A, B, C)=
1
2det −−→
AB, −→ AC
PPi1 (Pi, Pj, Pk)
−1
P P
Pi
{P0, . . . , Pi}Pi
P0Pi
(P0Pi)P0
PiP0Pi
i= 6 [P0, P2, P5, P6]
[P0, P3, P6]
P6

(P5, P2, P6)
P6
(P5, P3, P6)
P5P5
(P3, P0, P6)P6
P
i PiO(i)
P P
P
P