²表示有N种方法;¯表示用UG3.0可以实现。 ¯ 双外摆线
b=2.5 l=2.5 t=1 xt=3*b*cos(t*360)+l*cos(3*t*360) yt=3*b*sin(t*360)+l*sin(3*t*360) 星形线 a=5 t=1 xt=a*(cos(360*t))^3 yt=a*(sin(360*t))^3 叶形线
a=10 t=1 xt=3*a*t/(1+(t^3)) yt=3*a*(t^2)/(1+(t^3)) ¯ 螺纹线
t=1 xt=4*cos(t*(5*360)) yt=4*sin(t*(5*360)) zt=6*t 蛇形线
²t=1 xt=2*cos(t*360*3)*t yt=2*sin(t*360*3)*t zt=(sqrt(sqrt(sqrt(t))))^3*5 ²t=1 r=t*3 theta=t*360*3 zt=sqrt(t)*7 ²t=1 rho=360*sqrt(t)*2 theta=t*25 phi=360*t*4 ¯ 双余弦线
t=1 xt=-(9.5*6.5)+t*(9.5*6.5*2) yt=cos(t*360*6.5)*(6.35/2)-(6.35/2) zt=cos(t*360*8)*5 ¯ 对数线
t=1 xt=10*t yt=log(10*t+0.0001) 抛物线
t=1 xt=(4*t) yt=(3*t)+(5*t^2)
¯ 勾形线
t=1 xt=(5*(cos(t*360))^3)*t yt=(5*(sin(t*360))^3)*t ¯ 次声波
t=1 xt=t*5 yt=cos(t*360*8)*t
正弦波
t=1 xt=5*t*t yt=sin(t*8*360)*0.5
渐开线
pitch_diameter=10 pressure_angle=20 r
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)
普通外摆线
r=10 t=1 xt=t*(2*pi*r)-sin(t*360)*r yt=r-cos(t*360)*r
¯ 小飞机
t=1 xt=cos(t*360)+cos(3*t*360) yt=sin(t*360)+sin(5*t*360)
¯ 弯月
t=1 xt=cos(t*360)+cos(2*t*360) yt=sin(t*360)*2+sin(t*360)*2 ¯ 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))
¯ 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))
¯ t=1
xt=2+(10-2)*cos(360*4*t)+10*cos((10/6-1)*(360*4*t)) yt=2+(10-2)*sin(360*4*t)-10*sin((10/6-1)*(360*4*t))
¯ t=1
xt=0.5+(10-6)*cos(360*5*t)+10*cos((6/10-1)*(360*5*t)) yt=0.5+(10-6)*sin(360*5*t)-10*sin((6/10-1)*(360*5*t))
热带鱼
a=5 t=1 xt=(a*(cos(t*360*3))^4)*t yt=(a*(sin(t*360*3))^4)*t
双蝴蝶线
t=1 theta=t*360+90 r=
zt=
t=1
theta=t*360+18 r=
zt=
t=1
theta= t*360-54
r=
zt=
心电图
t=1 r=
theta=
zt=t*3
¯ 燕尾剪
t=1 xt=3*cos(t*360*4) yt=3*sin(t*360*3) zt=t
t=1
r=t*2 theta=10+t*(12*360) zt=t*3
碟形线
t=1 r=10+10*
zt=
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