how can i give the 1 by 173 matrix as input to the k means clustering algorithm.

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Vijaya 2013-8-29

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https://ww2.mathworks.cn/matlabcentral/answers/85894-how-can-i-give-the-1-by-173-matrix-as-input-to-the-k-means-clustering-algorithm

how can i give the 1 by 173 matrix as input to the k means clustering algorithm. is this code correct??? but am getting error as Index exceeds matrix dimension.

code clc X=load('D:\Viji\MATLAB\hist\e_dist.txt'); a=X(1,:); [idx,ctrs] = kmeans(a,3); plot(a(idx==1,1),'r.','MarkerSize',12); hold on plot(a(idx==2,1),'g.','MarkerSize',12); plot(a(idx==3,1),'b.','MarkerSize',12);

thank you.