How to find minimal distance during locomotion

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Alex castilla 2018-3-9

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https://ww2.mathworks.cn/matlabcentral/answers/387360-how-to-find-minimal-distance-during-locomotion

Hello,

I would like to find the distance between two points. I have a dataset with 4 columns , the first and second column are the x,y coordinates for the participants locomotion, the third and fourth columns are the X,Y coordinates for the targets (total targets =9, ). I would like to know if the participant reached a target or several targets during de locomotion using the distance. I wrote this function :

function d= distini(x,X,y,Y)

    for i=1:length(x)
        for ii=1:9
           t= sqrt(((X(ii) - x(i)).^2) + ((Y(ii)- y(i)).^2));
           d=t'
        end
    end 
end 
thanks in advance