lu_jki.m

various matlab programs to slove various problems

function [A] = lu_jki (A)
[n,n]=size(A);
for j=1:n
   for k=1:j-1   
      for i=k+1:n
         A(i,j)=A(i,j)-A(i,k)*A(k,j);
      end      
   end
   for i=j+1:n
      A(i,j)=A(i,j)/A(j,j); 
   end
end
return