Copying values between two index number

Question

JamJan 2019-1-17

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/440285-copying-values-between-two-index-number

评论： Image Analyst 2019-1-17

1338	1997	2679	3394	4222	4879	5619	6313	7047	7624	8408
1	1	1	1	1	1	1	1	1	1	1
1,34	1,28	1,33	1,39	1,61	1,28	1,44	1,35	1,43	1,12	1,53

Hi Everyone,

I have the above table, which in the first row the location is represented and in the third some kind of time interval. Now I want to copy the values of the third row between 1:2500, 2500:5000 and so on of the first row. How can I do this?

Thank you!

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Image Analyst 2019-1-17

This does not make sense: "Now I want to copy the values of the third row between 1:2500, 2500:5000 and so on of the first row."

Are you copying values of "the third row", OR of "the first row"? Or both?

What, exactly is being copied? And where is it copied TO? A new variable? Vectors? A matrix?

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Answer 1

madhan ravi 2019-1-17

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/440285-copying-values-between-two-index-number#answer_356884

https://www.mathworks.com/matlabcentral/answers/440210-how-can-i-copy-a-column-i-already-have-and-add-it-on-to-the-end-of-my-matrix#answer_356811- see if it helps make sure you read all the comments there

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Answer 2

Andrei Bobrov 2019-1-17

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/440285-copying-values-between-two-index-number#answer_356886

在 MATLAB Online 中打开

P = [651	1338	1997	2679	3394	4222	4879	5619	6313	7047	7624	8408
1	1	1	1	1	1	1	1	1	1	1	1
0	1.34	1.28	1.33	1.39	1.61	1.28	1.44	1.35	1.43	1.12	1.53];
out = accumarray(ceil(P(1,:)'/2500),P(end,:)',[],@(x){x});