How to merge x and y values to a (x,y) format?

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Berke Özsever 2021-5-10

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评论： Berke Özsever 2021-5-28

Hello everyone,

Fairly new in matlab, I have a pi_total = zeros(201,sample) matrix which I want to update its values after a loop with the statement (for n = 1:sample) which at the end produces xi_total and yi_total matrices with the dimensions of (201xsample). These matrices represent the x and y positions of the robot "i". I want to combine xi_total and yi_total matrices where I would get a new matrix (lets call it C) with entries in the form of (x,y). I then want to replace/update pi_total with C. I have seen somewhere that this might be done with cell arrays but I couldn't work it out, would really appreciate the help!

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Answer 1

KSSV 2021-5-10

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https://ww2.mathworks.cn/matlabcentral/answers/826345-how-to-merge-x-and-y-values-to-a-x-y-format#answer_696190

编辑：KSSV 2021-5-10

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As the dimensions of xi_total and yi_total remain same i.e. 201*1 in the entire loop of length 1:sample; you can save the data into a 3D matrix.

iwant = zeros(201,201,sample) ;  % where sample if your value
for n = 1:sample
    % do all the calculations, get xi_total, yi_toal whos dimensions are 201*1 
    % now save the data 
    iwant(:,:,n) = [xi_total yi_total] ; 
end