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Jun 23rd, 2018
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  1. clc
  2. clear all
  3. format short e
  4. M=magic(60);
  5. I=eye(60);
  6. C=M+I;
  7. A=C(:,1:10);
  8. b=sum(A,2);
  9. [Q,R]=qr(A);
  10. xqr=R\(Q'*b);
  11. x=ones(10,1);
  12. norm(xqr-x)/norm(xqr)
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