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gjp2970415* · 发表于 2012-4-28 12:24:47

抛物线
t=1
xt=(4*t)
yt=(3*t)+(5*t^2)

gjp2970415* · 发表于 2012-4-28 12:24:58

¯勾形线
t=1
xt=(5*(cos(t*360))^3)*t
yt=(5*(sin(t*360))^3)*t

gjp2970415* · 发表于 2012-4-28 12:25:10

¯次声波
t=1
xt=t*5
yt=cos(t*360*8)*t

gjp2970415* · 发表于 2012-4-28 12:25:22

正弦波
t=1
xt=5*t*t
yt=sin(t*8*360)*0.5

gjp2970415* · 发表于 2012-4-28 12:25:34

渐开线
pitch_diameter=10
pressure_angle=20
r=(pitch_diameter/2)*cos(pressure_angle)
t=1
xt=r*cos(90*t*t)+r*(90*t*t)*(pi/180)*sin(90*t*t)
yt=r*sin(90*t*t)-r*(90*t*t)*(pi/180)*cos(90*t*t)

gjp2970415* · 发表于 2012-4-28 12:25:49

普通外摆线
r=10
t=1
xt=t*(2*pi*r)-sin(t*360)*r
yt=r-cos(t*360)*r

gjp2970415* · 发表于 2012-4-28 12:25:58

¯小飞机
t=1
xt=cos(t*360)+cos(3*t*360)
yt=sin(t*360)+sin(5*t*360)

gjp2970415* · 发表于 2012-4-28 12:26:07

¯弯月
t=1
xt=cos(t*360)+cos(2*t*360)
yt=sin(t*360)*2+sin(t*360)*2

gjp2970415* · 发表于 2012-4-28 12:26:18

¯五角形线
t=1
xt=2+(10-6)*cos(360*4*t)+10*cos((10/6-1)*(360*4*t))
yt=2+(10-6)*sin(360*4*t)-6*sin((10/6-1)*(360*4*t))

gjp2970415* · 发表于 2012-4-28 12:26:27

¯t=1
xt=2+(10-6)*cos(360*4*t)+10*cos((10/6-1)*(360*4*t))
yt=2+(10-6)*sin(360*4*t)-10*sin((10/6-1)*(360*4*t))

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