I am using surf command inside time loop. And I want my initial reference surface.

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ravi shukla 2023-4-26

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https://ww2.mathworks.cn/matlabcentral/answers/1953634-i-am-using-surf-command-inside-time-loop-and-i-want-my-initial-reference-surface

编辑： chicken vector 2023-4-26

I am using surf command inside time loop. And my initial surface is receiving some input. I want to update the surface but without loosing my initial reference surface.

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Answer 1

chicken vector 2023-4-26

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https://ww2.mathworks.cn/matlabcentral/answers/1953634-i-am-using-surf-command-inside-time-loop-and-i-want-my-initial-reference-surface#answer_1223934

编辑：chicken vector 2023-4-26

在 MATLAB Online 中打开

To plot multiple object you want to use:

hold on;

If you ant to iterate different plot but only retain the first one, the method is to assign the plot to a variable and delete it later in the same iteration or in the next one.

nPoints = 30;
nFrame = 100;
[X,Y] = meshgrid(-3:6/nPoints:3,-3:6/nPoints:3);
Z = peaks(X,Y);
coeff = -(1:1/nFrame:2);
figure;
set(gca,'XColor','None','YColor','None','ZColor','None');
hold on;
surf(X,Y,Z,'FaceAlpha',.3);
view([1,1.5,1.5])
xlim([-5,5])
ylim([-5,5])
zlim([-20,20])
for frame = 1 : nFrame
    newSurf = surf(X,Y,Z*coeff(frame),'FaceColor',[.8 .8 .8],'EdgeColor','None','FaceAlpha',0.8);
    pause(.05)
    delete(newSurf)
end
hold off;