¯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))
¯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=cos(360*t*5)*3+0.5
zt=cos(360*t*3)*3
t=1
theta=t*360+18
r=cos(360*t*5)*0.75+3.5
zt=cos(t*360*5)*0.4
t=1
theta=t*360-54
r=cos(360*t*5)*0.5+2.5
zt=cos(t*360*5+90)*0.5
心电图
t=1
r=sin(t*360*2)+0.2
theta=10+t*(6*360)
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