how to get variable value in plot automatically

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回答： KSSV 2019-8-26

how to get a plot displaying value of

gain and corresponding responce in single figure as shown in attached image

Alex Mcaulley 2019-8-26

See this: legend

KSSV 2019-8-26

x = 0:10 ; 
figure
hold on
for i = 1:3
    y = i*x ; 
    plot(x,y)
end
legend

x = 0:10 ; 
figure
hold on
for i = 1:3
    y = i*x ; 
    plot(x,y)
    str = ['k=',num2str(i)] ; 
    text(mean(x),mean(y),str)
end

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