Mathematics">
Practica 10. Escala 2D
Practica 10. Escala 2D
Practica 10. Escala 2D
Primer Semestre
Geometría Analítica
Primer Parcial
DEF 3 -3 3 6 6 6 2 2
GHI 0 0 7 -3 3 0 1/2 2
JKL -1 -2 -2 -7 -1 -1 4 1
En forma matricial:
𝑥′ 𝑠𝑥 0 x
[ ] = [0 𝑠y ] * [y]
𝑦′
A (1,2) B (2,2) C (2,1)
𝑠𝑥 = 5
𝑠y = 5
C'x = 2 * 5 C'y = 1 * 5
C'x = 10 C'y = 5
D (3,-3) E (3,6) F (6,6)
𝑠𝑥 = 2
𝑠y = 2
F'x = 6 * 2 F'y = 6 * 2
F'x = 12 F'y = 12
G (0,0) H (7,-3) I (3,0)
𝑠𝑥 = 1/2
𝑠y = 2
L'x = -1 * 4 L'y = -1 * 1
L'x = -4 F'y = -1
M (2,-7) N (-4,-7) O (1,0)
𝑠𝑥 = 1 1/2
𝑠y = 1/4
DEF 3 -3 3 6 6 6 2 2 DEF' 6 -6 6 12 12 12
JKL -1 -2 -2 -7 -1 -1 4 1 JKL' -4 -2 -8 -7 -4 -1