Why does "[x,y,z,v] = image" result in error in MATLAB, where 'image' is a 3D matrix?

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moh mor
moh mor 2024-3-21
评论： moh mor 2024-3-21
There is a predefined double-type matrix named 'flow' in MATLAB with dimensions of 25*50*25. when I want to implement this command in MATLAB:
[x,y,z,v] = flow;
It is ok and there is no problem. But, when I want to perform the same command using a similar hand-made double-type matrix with dimension of 21*101*101 , an error arises:
[x,y,z,v] = image;
Why? Why does it happen?
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Stephen23
Stephen23 2024-3-21
编辑：Stephen23 2024-3-21
Ran in:
"But, do not assign something to flow. just do this: [x,y,z,v] = flow;"
Sure, but in that case FLOW is a function, not "a predefined double-type matrix named 'flow' in MATLAB with dimensions of 25*50*25" as you incorrectly wrote in your question. We can easily confirm that FLOW is the name of a function:
which flow -all
/MATLAB/toolbox/matlab/demos/flow.m
Calling functions with multiple outputs is shown in the introductory tutorials:
https://www.mathworks.com/help/matlab/learn_matlab/calling-functions.html
"Why? Why does it happen?"
Misunderstanding what you are working with.

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