3D scatterplot with marker color as a function of fourth variable

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Hello,
I would like to make a scatterplot with the variables x, y, and z. The color of the marker should be determined by the value of variable a.
What's the best way to do that?
Cheers,
Tim

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Scott MacKenzie
Scott MacKenzie el 7 de Mayo de 2021
Editada: Scott MacKenzie el 7 de Mayo de 2021
Assuming you want a separate color for each point...
x = rand(1,100);
y = rand(1,100);
z = rand(1,100);
a = 1:100;
scatter3(x,y,z,50,a,'filled');
colorbar;

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