两张椭圆柱面的交线及围成的立体.ppt

【教育类精品资料】,with(plots): zhumian1:=plot3d(sqrt(3)*cos(t),sqrt(2)*sin(t),z,t=02*Pi,z=-22,color=yellow): 黄色柱面 zhumian2:=plot3d(x,sqrt(2)*cos(t),(2/sqrt(5)*sin(t),t=02*Pi,x=-33,color=green): 绿色柱面 quxian1:=spacecurve(sqrt(3)*cos(t),sqrt(2)*sin(t),(2/sqrt(5)*cos(t),t=02*Pi,color=red,thickness=5): 红色交线 quxian2:=spacecurve(sqrt(3)*cos(t),sqrt(2)*sin(t),-(2/sqrt(5)*cos(t),t=02*Pi,color=blue,thickness=5): 蓝色交线 x_axis:=plot3d(u,0,0,u=-33,v=00.01,thickness=3): x轴 y_axis:=plot3d(0,u,0,u=-33,v=00.01,thickness=3): y轴 z_axis:=plot3d(0,0,u,u=-22,v=00.01,thickness=3): z轴 xyz:=display(x_axis,y_axis,z_axis,thickness=3): display(zhumian1,zhumian2,quxian1,quxian2,xyz,scaling=constrained,orientation=40,60);,with(plots): zhumian1:=plot3d(sqrt(3)*cos(t),sqrt(2)*sin(t),z,t=02*Pi,z=-(2/sqrt(5)*cos(t)(2/sqrt(5)*cos(t),color=yellow): 黄色柱面 zhumian2:=plot3d(x,sqrt(2)*cos(t),(2/sqrt(5)*sin(t),t=02*Pi,x=-sqrt(3)*sin(t)sqrt(3)*sin(t),color=green): 绿色柱面 quxian1:=spacecurve(sqrt(3)*cos(t),sqrt(2)*sin(t),(2/sqrt(5)*cos(t),t=02*Pi,color=red,thickness=5): 红色交线 quxian2:=spacecurve(sqrt(3)*cos(t),sqrt(2)*sin(t),-(2/sqrt(5)*cos(t),t=02*Pi,color=blue,thickness=5): 蓝色交线 x_axis:=plot3d(u,0,0,u=-2.22.2,v=00.01,thickness=3): x轴 y_axis:=plot3d(0,u,0,u=-2.22.2,v=00.01,thickness=3): y轴 z_axis:=plot3d(0,0,u,u=-1.21.2,v=00.01,thickness=3): z轴 xyz:=display(x_axis,y_axis,z_axis,thickness=3): display(zhumian1,zhumian2,quxian1,quxian2,xyz,scaling=constrain