how to label figure with vertex point in matlab

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I have a ploygon with four vertex points , how can I label those vertex point as 'A','B','C','D'.

Accepted Answer

KSSV
KSSV on 16 Dec 2021
A = rand(1,2) ;
B = rand(1,2) ;
C = rand(1,2) ;
P = [A;B;C;A] ;
label = {'A'; 'B' ; 'C'} ;
plot(P(:,1),P(:,2),'.-r')
text(P(1:3,1),P(1:3,2),label)

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