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How to put labels to each points? And the labels are the value of each points?

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KD 2021-12-8

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https://ww2.mathworks.cn/matlabcentral/answers/1606160-how-to-put-labels-to-each-points-and-the-labels-are-the-value-of-each-points

回答： Voss 2021-12-8

x = [4 9 11 2 4];

y = [10 7 2 2 10];

x(end+1)=x(1);

y(end+1)=y(1);

area=polyarea(x,y);

str=sprintf('Area of the Polygon is : %d', area);

plot(x,y, 'g'), title(str, 'FontSize', 16);

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Voss 2021-12-8

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Look into text.

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