Could you help me interpret what happened?
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Greetings,
I am debugging others' codes. In Polyhedron.m file row 521, it is a sentence:
if isempty(obj.He_int), obj.He_int = zeros(0,d+1); end
I found before this sentence was executed, obj.V was not defined as:
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/459905/image.jpeg)
But after this sentence was executed, obj.V was calculated and got a matrix:
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/459910/image.jpeg)
As you see, the sentence did not call obj.V directly but it did change obj.V. Could you explain to me what happened here? And how can I find the codes that changed obj.V. I think that is the bug I am looking for.
Related source codes are attached.
Thank you!
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