Question on how to use scatter3

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Oliver Ferenczi
Oliver Ferenczi 2019-11-15
评论： Star Strider 2019-11-15
Hi, I trying to use the function scatter3,
I was able to plot a 2D scatter graph using just X and Y, however I want to make it 3D to allow the user to look around the graph.
Below is my code.
X = linspace(0,time,50);
Y = height-(9.81/2)*(trajectory.^2);
Z = 0;
scatter3(app.UIAxes,X,Y,Z,'ro');
Im not sure what the Z value should be in order to do this, however when I run the program, it gives me the error,
"X, Y and Z must be vectors of the same length."
Any ideas on how to make the 2D graph 3D?
Thanks!

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Star Strider
Star Strider 2019-11-15
The ‘Z’ vector can be anything, providing it is a vector of the same size as the others. Setting it equal to:
Z = zeros(size(X));
will simply create a 2D plot in 3D coordinates. A much better approach would be to set:
Z = X;
if you want to clearly delineate the points.

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