area under curve for just 1 period

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john
john 2012-2-21
hi i have a periodic function x_plot and id like to find the area under the curve for only one period. how would i be able to do preferably using numerical integration (sum of x(t)dt from t=0 to T) i tried to just type what i just did but cant do a calculation on it using 0 im a beginner and dont know much about matlab yet

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Honglei Chen
Honglei Chen 2012-2-21
There are many integration methods in MATLAB, just pick one of them.
doc quad
doc quadl
doc integral
I'll use quad as an example. Let's say I want to integrate a sin function, which has a period of 2*pi,
quad(@sin,0,2*pi)

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