using quadl to find area between 2 curves

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lowcalorie 2012-3-25

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/33424-using-quadl-to-find-area-between-2-curves

i need to find the area between the 2 curves using quadl and trapz i was able to do it using just trapz but im not sure how to implement quadl into my code so it will work can somebody help here is my code so far

x = linspace(0,pi);

y1 = sin(x);

y2 = abs(sin(2*x))/2;

plot(x,y1,x,y2)

grid on

set(gca,'ylim',[0 1]);

set(gca,'ytick',0:0.1:1);

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采纳的回答

Wayne King 2012-3-25

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https://ww2.mathworks.cn/matlabcentral/answers/33424-using-quadl-to-find-area-between-2-curves#answer_42000

在 MATLAB Online 中打开

Q = quadl(@(x)sin(x)-abs(sin(2*x)/2),0,pi);

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lowcalorie 2012-3-25

il give that a try thanks so much huge help

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