一空间曲线由参数方程x=t y=sin(2t) , -3 A: t=-3:0.1:3;x=t;y=sin(2*t);z=cos(3*t.*t);plot3(x, y, z, t)
B: t=-3:0.1:3;x=t;y=sin(2*t);z=cos(3*t*t);plot3(x, y, z)
C: t=-3:0.1:3;y=sin(2*t);z=cos(3*t.*t);plot3(x, y, z)
D: t=-3:0.1:3;x=t;y=sin(2*t);z=cos(3*t.*t);plot3(x, y, z)
E: x=-3:0.1:3;y=sin(2*x);z=cos(3*x.*x);plot3(x, y, z)
发布时间:2024-06-11 00:33:41