“Dimensions of arrays being concatenated are not consistent”

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Adam Steciuk 2020-4-28

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/521407-dimensions-of-arrays-being-concatenated-are-not-consistent

评论： Adam Steciuk 2020-5-1

I am getting said error even thoug I don't think I am not concatenating any array.

wallCordsReal = [];
    homoVecSen = [sonars(1); 0; 0; 1];
    poser = gtposes(1,:);
    transMatrix = Tsonar2univ(poser);
    tempWall = transMatrix * homoVecSen;

And here is the function Tsonar2univ:

    function transfMatrix = Tsonar2univ(poser)
    global measured_offsx;
    global measured_offsy;
    global measured_offsphi;
    %sonar origin relative to robot
    RorgS = [measured_offsx; measured_offsy; 0];
    UorgR = [poser(1); poser(2); 0];
    
    RrS = [cos(measured_offsphi), sin(measured_offsphi), 0; -sin(measured_offsphi), cos(measured_offsphi), 0; 0, 0, 1]
       
    UrR = [cos(poser(3)), -sin(poser(3)), 0; sin(poser(3)), cos(poser(3)), 0; 0, 0, 1];
       
    RtS = zeros(4,4);   
    RtS(1:3, 1:3) = RrS;
    RtS(1:3, 4) = RorgS;
    
    UtR = zeros(4,4);   
    UtR(1:3, 1:3) = UrR;
    UtR(1:3, 4) = UorgR;
    UtR(4,4) = 1;
    
    transfMatrix = UtR * RtS;
end

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回答（1 个）

James Tursa 2020-4-28

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/521407-dimensions-of-arrays-being-concatenated-are-not-consistent#answer_428945

在 MATLAB Online 中打开

TYpe this at the command line:

dbstop if error

then run your code. When the error occurs the code will pause with all current variables intact. Examine measured_offsphi and you will probably see it is not a scalar. Then backtrack in your code and figure out why.