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Xuefei Sun


Last seen: 3 years 前 |  自 2021 起处于活动状态

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How to calculate reveral summations
I need to calculate sigma=sum(u(t)*u(t+a)), from a to 600(t=a to 600), and a is from 1 to 600. So I should get 600 different sig...

4 years 前 | 2 个回答 | 0

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How to compute a solution with a sum in matlab
My code is like this: s=0; for t=h:length(data); s=s+data(t)*data(t-h) end And I need to find h to make s=0

4 years 前 | 1 个回答 | 0

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How to move the data to the right
I have 9000 speed data(S1 to S9000) related to 9000 time data(T1 to T9000). And now I want to move the speed to the right, which...

4 years 前 | 1 个回答 | 0

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How to remove the mean from a data
I have 90000 speed data, and I want to make each one minus the mean, how to get that? a=speed; aver=mean(a); then what's the ...

4 years 前 | 1 个回答 | 0

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How to calculate the coefficient of variation in Matlab
I have 90000 time data and 90000 speed data, and the time are equally averaged. I need to calculate the coefficient of variation...

4 years 前 | 1 个回答 | 0

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How to calculate mean to an equal area in Matlab?
I have 900000 time data and 900000 speed data. I need to calculate the mean speed for each 30secs and plot them. How can I get t...

4 years 前 | 1 个回答 | 0

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