적분개념의 시각화(입체)

2721 days 전, toed 작성

A solid with equilateral triangular cross-sections.

(u,v)=var("u v") front=parametric_plot3d([u,u^2-1-v*(u^2-1),sqrt(3)*v*(1-u^2)],(u,-1,1),(v,0,1),opacity=0.5) back=parametric_plot3d([u,-(u^2-1-v*(u^2-1)),sqrt(3)*v*(1-u^2)],(u,-1,1),(v,0,1),opacity=0.5) triangle1=parametric_plot3d([0.5,u*(1-0.5^2)*(1-v),v*sqrt(3)*(1-0.5^2)],(u,-1,1),(v,0,1),color='red') triangle2=parametric_plot3d([-0.2,u*(1-0.2^2)*(1-v),v*sqrt(3)*(1-0.2^2)],(u,-1,1),(v,0,1),color='red') bottom=parametric_plot3d([u,v*(u^2-1),0],(u,-1,1),(v,-1,1),opacity=0.5) front+back+bottom+triangle1+triangle2 
       
Sleeping...
If no image appears re-execute the cell. 3-D viewer has been updated.