how to plot z=9-sqrt(x^2+y^2) inside the cylinder r=2?
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clear all;
syms x y;
xlabel('x');
ylabel('y');
zlabel('z');
[x,y] = meshgrid(-10:1:10,-10:1:10);
y=9-sqrt(x.^2+y.^2);
surf(x,y,x);
view([10 10 10]);
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Risposte (2)
madhan ravi
il 4 Dic 2018
Modificato: madhan ravi
il 4 Dic 2018
syms x y
ezsurf(9-sqrt(x.^2+y.^2));
axis([-10 10 -10 10 -10 10]) % you can limit the range here
hold on
fimplicit3(x^2+y^2==2^2)
view([10 10 10]);
KSSV
il 4 Dic 2018
Modificato: KSSV
il 4 Dic 2018
% Mesh a cylinder
R = 2 ; % radius
h = 2. ; % height
m = 50 ;
n = 50 ;
% Discretizing the Height and Angle of the cylinder
nH = linspace(0,h,m) ;
nT = linspace(0,360.,n)*pi/180 ;
[H, T] = meshgrid(nH,nT) ;
% Convert grid to cylindrical coordintes
X = R*cos(T);
Y = R*sin(T);
Z = H ;
%
[x,y] = meshgrid(-R:0.1:R,-R:0.1:R);
z=h-sqrt(x.^2+y.^2);
surf(x,y,z);
hold on
surf(X,Y,Z)
xlabel('x');
ylabel('y');
zlabel('z');
view([10 10 10]);
YOu have to play with the second equation, so that it lies inside cylinder.
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