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Plotting differential equations, need help

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Andrew
Andrew 2014-10-6
评论： Yu Jiang 2014-10-6
y = diff(sin(2*pi*t))./diff(t);
plot(t,y)
Remember diff() shortens the length of your vector by one so you will need to define a new time vector to plot against. ---- how do i do this?
thank you

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Yu Jiang
Yu Jiang 2014-10-6
plot(t(2:end),y)
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Andrew
Andrew 2014-10-6
its ok, i fixed it. thanks for your help sir.

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