How to create a 4D plot.

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Rajkumar Verma 2019-4-26

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https://ww2.mathworks.cn/matlabcentral/answers/458633-how-to-create-a-4d-plot

评论： Walter Roberson 2020-8-7

采纳的回答： Walter Roberson

Hello friends,

I have three variables:

with condition .

. ,

and .

How to generate the graph for

. ,

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Walter Roberson 2019-4-26

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https://ww2.mathworks.cn/matlabcentral/answers/458633-how-to-create-a-4d-plot#answer_372361

在 MATLAB Online 中打开

x = 0:.01:1;  y = x; z = x;
[X,Y,Z] = meshgrid(x,y,z);
mask = X.^2 + Y.^2 + Z.^2 <= 1;
F = sqrt(1-(X.^2+Y.^2+Z.^2));   %caution, need this order because of round-off
subplot(1,2,1)
scatter3(X(mask),Y(mask),Z(mask),20,F(mask));
subplot(1,2,2);
F2 = F;
F2(~mask) = nan;
for level = 0.2:0.2:0.8
    isosurface(X, Y, Z, F2, level);
end