3d Plotting a decagonal pyramid

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Matthew 2023-10-22

评论： Matthew 2023-10-22

what i have so far

r = linspace(0,2*pi);

th = 0:pi/6:2*pi ;

[R,T] = meshgrid(r,th) ;

X = R.*cos(T) ;

Y = R.*sin(T) ;

Z = R ;

surf(X,Y,Z)

What i'm wondering is, how do i make the length of each side of the base a user input,

and how do i make the height of the decagonal pyramid a user input as well.

Dyuman Joshi 2023-10-22

Though, with the given method of generating the pyramid, the lenght of each side of the base is the same.

Matt J 2023-10-22

编辑：Matt J 2023-10-22

sidelength=10; height=8; %User inputs

V=nsidedpoly(10,'Side',sidelength).Vertices;

V(end+1,3)=-height;

trisurf( delaunay(V(:,1:2)), V(:,1), V(:,2), V(:,3),'FaceColor','c')

Matt J 2023-10-22

There's nothing wrong with asking more questions, but please Accept-click the answer to this question and post your new one in a new thread.

Matthew 2023-10-22

ok will do, thank you.

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