two data in one plot graph
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I have two set of data
x
y1 y2
I want to plot (x,y1) and (x,y2) at a same graph. How do I do that??
they all have same matrix.
Also how can I find a break even point ?
回答（2 个）
Sara
2014-4-15
figure
plot(x,y1,x,y2)
or
plot(x,y1,'r',x,y2,'b')
if you want to assign colors to the curves. If you want to find where they intersect, I recommend: http://www.mathworks.com/matlabcentral/fileexchange/11837-fast-and-robust-curve-intersections/content/intersections.m
[x0,yo]=intersections(x,y1,x,y2,1);
Lisa Justin
2014-4-15
Sara is correct, you could also use
plot(x,y1,'r')
hold on
plot(x,y2,'b')
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2014-4-15
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