% M=[0 0 0 0.2861    0.3674   -0.8823    0.4908   -0.5833   -0.6431    0.2154 -0.3491   -1.5732   -0.4530   -0.3069   -0.8336];
% len=length(M);
% for i=1:len/3
%     X(i)=M(i*3-2);
%     Y(i)=M(i*3-1);
%     Z(i)=M(i*3);
%     if i-1 sqrt((X(i)-X(i-1))^2+(Y(i)-Y(i-1))^2+(Z(i)-Z(i-1))^2),end
% end
% sqrt((X(i)-X(1))^2+(Y(i)-Y(1))^2+(Z(i)-Z(1))^2)
% plot3(X,Y,Z)
for i=1:3
    for j=4:6
        j
    end
    i
end