How do I integrate two columns of discrete data?i need do operations between the data
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HERE are two columns discrete data,the frequency is 20Hz,i need integrate them, the equation is
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/508047/image.png)
i try to write some codes,but i don't know it is right or not. Can someone help me check it??
but the discrete data should use the 'trap' function, how can i modify the code?
[str,pathname]=uigetfile('*.csv') ;
[xy]=csvread(str);
n=length(xy);% data length
x=xy(:,1);y=xy(:,2);
for i=1:n % step=1
% F=x/y*(x+y);
p=sum(x(i)/y(i)*(x(i)+y(i)))/20;% frenquency=20
end
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VBBV
il 3 Feb 2021
for i=1:n % step=1
% F=x/y*(x+y);
p(i)=(x(i)/y(i)*(x(i)+y(i)))/20;% frenquency=20
end
P = sum(p); % use sum outside of loop
Use sum outside of loop
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