36.一峰三驻点曲线 x = 3*t-1.5 y=(x^2-1)^3+1 [快车下载]36.jpg:
37.八字曲线
x = 2 * cos ( t *(2*180)) y = 2 * sin ( t *(5*360)) z = 0
[快车下载]37.jpg:
38.螺旋曲线 r=t*(10*180)+1 theta=10+t*(20*180) z=t
[快车下载]38.jpg:
39.圆
x = cos ( t *(5*180)) y = sin ( t *(5*180)) z = 0
[快车下载]39.jpg:
40.封闭球形环绕曲线 rho=2 theta=360*t phi=t*360*10
[快车下载]40.jpg:
41.柱坐标螺旋曲线
x = 100*t * cos ( t *(5*180)) y = 100*t * sin ( t *(5*180)) z = 0
[快车下载]41.jpg:
42.蛇形曲线
x = 2 * cos ( (t+1) *(2*180))
y = 2 * sin ( t *(5*360)) z = t*(t+1)
[快车下载]42.jpg:
43.8字形曲线 柱坐标 theta = t*360 r=10+(8*sin(theta))^2
[快车下载]43.jpg: