Changes in vectors

Question

Cillian 2012-5-7

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/37672-changes-in-vectors

采纳的回答： Sean de Wolski

Hello again.

This is perhaps more a logic question,

If I got measure points at the time t is wrong, and the correct ones is in a vector L_New that has 10 x 1.

How do I do to change the wrong measure points in L to be correct?

I know that I have not post my attempt, but this is more a "thinking" question.

Anyhow, I would be please if someone can tell me how it works.

Best Regards Cillian

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Answer 1

Sean de Wolski 2012-5-7

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This sounds like you may eventually want to interpolate. Do do this, in this case, look into interp1. If you provide us with a small set of sample data we might be better able to help you.

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Cillian 2012-5-8

L =[0:10];

L_New =[0:10]';

yi = interp1(L,L_New,'nearest')

% The question is not so clear about if L have the same size or a different size.

Cillian 2012-5-10

Ops, I forgot to add the results:

yi =

NaN

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Answer 2

Stefan 2012-5-7

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Are the measure points located in a vector with the same size like L_New? Or do you have more values?

Same size: Why do you not copy L_New? L=L_New;

Different size: you have to find first the wrong values in L, before you can compare them to L_New and exchange them.

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Cillian 2012-5-8

Sorry, I don't know. The question is not so clear about if L have the same size or a different size.

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