How to plot a number of curves on the same plot ?

Question

Ahmed 2013-2-9

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https://ww2.mathworks.cn/matlabcentral/answers/62837-how-to-plot-a-number-of-curves-on-the-same-plot

want to plot i number of curves on the same X axis and Y axis and label each curve with a number ? how to do this? Thx in Advance

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Answer 1

Azzi Abdelmalek 2013-2-9

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https://ww2.mathworks.cn/matlabcentral/answers/62837-how-to-plot-a-number-of-curves-on-the-same-plot#answer_74396

编辑：Azzi Abdelmalek 2013-2-9

在 MATLAB Online 中打开

%Example

x=0:0.1:10;
y1=sin(x);
y2=cos(x)
plot(x,y1,'r',x,y2,'g');
legend({'curv1','curv2'})

Look at

doc plot

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Answer 2

Image Analyst 2013-2-9

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在 MATLAB Online 中打开

You can put your plotting in a "for" loop. At each iteration, just plot your additional curve. You actually can do it without a loop if you just want to plot all the things and have them all already. Just make sure you call "hold on" after the first one, otherwise subsequent plots will blow away the earlier plots.

plot(x1,y1);
hold on;
plot(x2,y2);
plot(x3,y3);
plot(x4,y4);

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Answer 3

Shashank Prasanna 2013-2-9

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I prefer using LINE instead of PLOT since plot tends to reset some properties which maybe unexpected and undesirable.

   >> x = 0:2*pi*10;
   >> x = 0:0.01:2*pi*10;
   >> y1 = sin(x);
   >> y2 = cos(x);
   >> line(x,y1,'LineStyle','-','Color','r')
   >> line(x,y2,'LineStyle','.','Color','b')