MATLAB two Graph Plotting

2020 11 9
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更新时间：2020 11 9
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x = 1:100;
y = ones(1,100);
y1 = ones(1,100);
y2 = ones(1,100);
y3 = ones(1,100);
y = x;
y1 = x+2;
y2 = x+50;
y3 = x+100;
plot(x,y2,x,y3);
figure(1);
xlabel("x");
ylabel("y");
legend('y2,y3');
plot(x,y,x,y1);
figure(2);
xlabel("x");
ylabel("y");
legend1('y,y1');
When I am running figure(2) is coming blank. Why is it so?

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VBBV
VBBV 2020-11-9
编辑：VBBV 2020-11-9

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%if true
% code
% end
figure(1)
plot()
...
...
figure(2)
plot()
...
...
Follow this sequence for plotting. There is no legend1. Only legend

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