How to draw curves in a contour plot

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Simon Becker
Simon Becker 2014-9-29
编辑： Mischa Kim 2014-9-29
I currently have a contour plot, just like this one here Plot example, now I want to add some simple plots of functions in the length width plane, like f(width) = width^n and so on, but I don't know how to overlap these two plots.

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回答（1 个）

Mischa Kim
Mischa Kim 2014-9-29
编辑：Mischa Kim 2014-9-29
Simon, use
hold on
before the second plot command. E.g.
x = 0:0.1:2*pi;
y = sin(x);
z = cos(x);
plot(x,y) % corresponds to your existing plot
hold on
plot(x,z) % additional plots...
plot(x,z.^3) % ...you want to add

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