error in my code

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thelong le 2021-6-11

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https://ww2.mathworks.cn/matlabcentral/answers/853510-error-in-my-code

评论： KSSV 2021-6-11

my code is having problem, when running the program it ends up as a line of colored points ?, why is it not distributed in space? how to be able to look at its spatial structure, someone explain to me, many thanks!

my code

X=get(handles.sr,'string');
Y=get(handles.sr,'string');
Z=get(handles.sr,'string');
% nhap gia tri XYZ
rgb = [ str2num(X) str2num(Y) str2num(Z) ];
xyz = rgb2xyz(rgb);
ylabel('Z');
zlabel('Y');
xlabel('X');
hold on;
% vẽ điểm ảnh
scatter3(xyz(:,1),xyz(:,3),xyz(:,2),1000,rgb,'.');
view(3); grid on; 
axis image
axis([0 1 0 1.1 0 1]);
set(gca,'color','w','gridcolor','w','gridalpha',0.9);
set(gca,'projection','perspective');
and the result when i change the value of X,Y,Z