Can anybody explain the line part in code. What is the meaning of Corner1 (2) means?

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passioncoding
passioncoding 2018-8-28
回答： KSSV 2018-8-28
line([corner1(2);corner2(2);corner3(2);corner4(2);corner1(2)],[corner1(1);corner2(1);corner3(1);corner4(1);corner1(1)],'color','blue','LineWidth',2);

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KSSV
KSSV 2018-8-28
Read about function line
https://in.mathworks.com/help/matlab/ref/line.html
This is used to plot a line, it needs x and y coordinates. In your code, the coordinates are defined in corners...you are giving input to the line.

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