How to include quiver plot in this 3d surface plot?
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I'm having problem in plotting surface with its quiver3 plot.
Kindly help anyone. I'm attaching my file.
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Michael Soskind
2020-6-23
Hi Priya. It might be helpful to understand how you would like to define the direction, and does the magnitude matter? What are the values you are looking to use for the quiver plot?
If you answer those questions, I am sure someone would be able to help you answer the question more effectively.
As a quick solution, I would advise doing something as follows:
hold on;
quiver3(x,y,z1,u,v,w);
Hold will allow you to add the quivers to the plot, and the u,v, and w are the directional cosine values that I am referring to would be useful to know what they are in your above file.
Hope that makes sense, and helps you,
Michael
采纳的回答
Star Strider
2020-6-23
Try this:
(EARLIER CODE OMITTED)
figure
surf(x,y,z1);
xlabel('\bf{x}','fontsize',10);
ylabel('\bf{y}','fontsize',10);
zlabel('\bf{u(x,y,t)}','fontsize',10);
title('\bf{t=0.5056 }','fontsize',10);
hold on
hold on
[dx,dy] = gradient(z1); % Calculate Gradient
wm = -hypot(dx,dy); % Z-Slope
quiver3(x,y,z1, -dx, -dy, wm) % ‘quiver3’ Call
hold off
That appears to me to produce the correct result.
I cannot promise that it is robust to other problems, since I have not used it with them.
.
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