Reduce the size of a vector

Question

Rafael Freire 2014-6-4

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/132488-reduce-the-size-of-a-vector

回答： Rafael Freire 2014-6-5

采纳的回答： Rafael Freire

I wanto to convert a vector 1x45000 to a vector 1x36000 and a vector of 1x27000 to a vector 1x36000 How can I do it?

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José-Luis 2014-6-4

在 MATLAB Online 中打开

doc resample

Roger Wohlwend 2014-6-5

I don't understand the question. You want to convert a vector with 45'000 elements to one with 36'000 elements? What does that mean? I suppose you don't want to delete 9'000 elements?

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Answer 1

Rafael Freire 2014-6-5

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https://ww2.mathworks.cn/matlabcentral/answers/132488-reduce-the-size-of-a-vector#answer_139567

This is what I wanted...Thank you guys

a=resample(b, 45001,36001);

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Answer 2

David Sanchez 2014-6-5

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/132488-reduce-the-size-of-a-vector#answer_139529

在 MATLAB Online 中打开

vect_45 = rand(1,45000); % your 1x45000 array 
vect_36 = vect_45(:,1:36000);
vect_27 = rand(1,27000); % your 1x27000 array
vect_36_b = [vect_27 zeros(1,9000)]; % you have to add elements to fill the gaps between 27000 and 36000, I added zeros