a=[1,100,3,4,5,6,7,8,9;10,11,12,13,14,15,16,17,18];
i_1=size(a,1)
i_2=size(a,2)
b=zeros(i_1,i_2-1);
for i=2:i_2
b(:,i-1)=a(:,i)-a(:,1)
end
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追ça=[1,100,3,4,5,6,7,8,9;10,11,12,13,14,15,16,17,18];
i_1=size(a,1);
i_2=size(a,2);
c=zeros(1,i_2-1);
for i=2:i_2
b=a(:,i)-a(:,1);
c(i-1)=sqrt(b(1)^2+b(2)^2);
end
c