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

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Ahmed
Ahmed 2013-2-9
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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Azzi Abdelmalek
Azzi Abdelmalek 2013-2-9
编辑：Azzi Abdelmalek 2013-2-9
%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

更多回答（2 个）

Image Analyst
Image Analyst 2013-2-9
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);
Shashank Prasanna
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')

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