ВУЗ:
Составители:
Рубрика:
cÈÏ Ëã
57
¯«äȫҹ㺰}º°
iº}ÈÏÈËã°mº
°
r
x
y
→
=
ÓË}ºº¯È«º}ÈÓȹ¯«äº®ºÈmË}º¯
D
→
ºãÎËÓ©}ºããÒ
ÓËȯËÓmË}º¯
rr
→→
−
0
cÒ°jãÒÒÓÈË
rr a
→→ →
−=
0
τ
|}È ¹ºãÈËä ¹È¯ÈäË
¯Ò˰}ºË ¹¯Ë°ÈmãËÓÒË
¹¯«äº®
rr a
→→ →
=+
0
τ
Ë
τ
∈
(
−∞
,+
∞
)
˺¯ËäȺ}ÈÏÈÓÈ
L
a
→
r
0
→
rr
→→
−
0
r
→
g
2
→
O g
1
→
èqxytvr
˺¯ËäÈ
{°«}È«¹¯«äÈ«mã
º®
Ë}ȯºmº® °Ò°ËäË }ºº¯
ÒÓÈ äºÎË ©
ÏÈ
ÈÓȯÈmÓËÓÒËämÒ
È
Ax By C A B
++= + >
00,
iº}ÈÏÈËã°mº
°ãºmÒË}ºããÒÓËȯӺ°ÒÓËÓãËm©²mË}º¯ºm
a
→
Ò
rr
→→
−
0
m}ºº¯ÒÓÈÓº®Áº¯äË
ÒäËËmÒ
x
y
x
y
a
a
x
y
−=
0
0
τ
ÒãÒ
xx a
yy a
x
y
−=
−=
0
0
τ
τ
|}È
axx ayy
yx
()()
−− −=
00
0
ÒãÒ ÎË
Ax By C A B
++= + >
00,
Ë
Aa Ba C ax ay
yx yx
===−−
;;
00
Ò䩹ºãÒãÒº¯ÈmÓËÓÒË ¹ ¯«äº®Ë°Èã
˯ÈÒ˰}ºË ¯ÈmÓËÓÒË ¹Ë¯mº® °Ë¹ËÓÒ ~ ÈäËÒä º °¹¯ÈmËãÒmº°
Ó˯ÈmËÓ°mÈ
AB+>0
°ãËËÒϰãºmÒ«
ao
→→
≠
˺¯ËäȺ}ÈÏÈÓÈ
˺¯ËäÈ
{°«}ºË ¯ÈmÓËÓÒË mÒÈ
Ax By C A B
++= + >
00,
m 㺮
Ë}ȯºmº®°Ò°ËäË}ºº¯
ÒÓÈ˰
¯ÈmÓËÓÒËÓË}ºº¯º®¹¯«äº®
c È Ï Ë ã 57
¯«äȫҹ㺰}º°
iº}ÈÏÈËã°mº
→ x →
° r = ÓË}ºº¯È«º}ÈÓȹ¯«äº®ºÈmË}º¯ D ºãÎËÓ© }ºããÒ
y
→ → → → →
ÓËȯËÓmË}º¯ r − r0 cÒ° jãÒÒÓÈË r − r0 = τ a
|}È ¹ºãÈËä ¹È¯ÈäË L
¯Ò˰}ºË ¹¯Ë°ÈmãËÓÒË →
¹¯«äº® a
→ → → → → →
r = r0 + τ a r0 r − r0
→
r
Ëτ∈(−∞,+∞) →
g 2
→
˺¯ËäȺ}ÈÏÈÓÈ O g1
èqxytvr
˺¯ËäÈ {°«}È« ¹¯«äÈ« m ã º® Ë}ȯºmº® °Ò°ËäË }ºº¯ÒÓÈ äºÎË ©
ÏÈÈÓȯÈmÓËÓÒËämÒÈ Ax + By + C = 0 , A + B > 0
iº}ÈÏÈËã°mº
→ → →
°ãºmÒË}ºããÒÓËȯӺ°ÒÓËÓãËm©²mË}º¯ºm a Ò r − r0 m}ºº¯ÒÓÈÓº®Áº¯äË
ÒäËËmÒ
x x0 ax x − x0 = τ a x
− =τ ÒãÒ
y y0 ay y − y0 = τ a y
|}È a y ( x − x 0 ) − a x ( y − y 0 ) = 0 ÒãÒ ÎË Ax + By + C = 0 , A + B > 0 Ë
A = a y ; B = a x ; C = − a y x 0 − a x y 0 Ò䩹ºãÒãÒº¯ÈmÓËÓÒ˹¯«äº®Ë° Èã
˯ÈÒ˰}ºË ¯ÈmÓËÓÒË ¹Ë¯mº® °Ë¹ËÓÒ ~ÈäËÒä º °¹¯ÈmËãÒmº°
→ →
Ó˯ÈmËÓ°mÈ A + B > 0 °ãËËÒϰãºmÒ« a ≠ o
˺¯ËäȺ}ÈÏÈÓÈ
˺¯ËäÈ {°«}ºË ¯ÈmÓËÓÒË mÒÈ Ax + By + C = 0 , A + B > 0 m ã º®
Ë}ȯºmº®°Ò°ËäË}ºº¯ÒÓÈ˰ ¯ÈmÓËÓÒËÓË}ºº¯º®¹¯«äº®
Страницы
- « первая
- ‹ предыдущая
- …
- 51
- 52
- 53
- 54
- 55
- …
- следующая ›
- последняя »
