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#2
maqiangdemo2015-03-29 09:05
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function A=gauss(A)
[n n]=size(A);
for k=1:n
for i=k+1:n
A(k,i)=A(k,i)/A(k,k);
end
for j=k+1:n
for i=k+1:n
A(j,i)=A(j,i)-A(k,i)*A(j,i);
end
end
end