integration within specified limits

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Sonia Goyal
Sonia Goyal 2021-2-16
评论： Sonia Goyal 2021-2-18
I have the data file attached below. I have to take the square of column no. two of this data file and then have to integrate it from time '3' sec to time '6' sec. Please help me out with this.
Thanks in advance

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Walter Roberson
Walter Roberson 2021-2-16
data = readmatrix('Data.xlsx');
mask = data(:,1) >= 3 & data(:,1) <= 6;
t = data(mask,1);
x2 = data(mask,2).^2;
trapz(t, x2)

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