Averages using intervals in a vector

Question

Orlando Ramirez-Valle 2021-3-28

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/786121-averages-using-intervals-in-a-vector

评论： Star Strider 2021-3-28

采纳的回答： Star Strider

Hello,

How can I get an average of a vector using intervals?

Example:

(2500 values) vector

I want to add the following intervals in 1D:

Intervals; (3,3,3,3,3,3,3,3,3 . . .3)

Example:

Data

57.303

55.135

47.572

38.165

43.554

34.521

33.017

31.675

29.651

Result (average)

53.33

38.74

31.44

Is it possible to do it in a loop?

Thanks in advance

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Answer 1

Star Strider 2021-3-28

0
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https://ww2.mathworks.cn/matlabcentral/answers/786121-averages-using-intervals-in-a-vector#answer_660746

在 MATLAB Online 中打开

I have not certain idea what you are asking.

One option is to use the movmean function.

Another option:

v = rand(2500,1);                                           % Create Vector To Test Code
vr = reshape(v(1:numel(v)-rem(numel(v),3)),3,[]);           % Reshape Vector To (3x833)
vrm = mean(vr);                                             % Column Mean

.