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Let A Rmxn with m > n and have full column rank. Let be the solution of [IA] [r AT 0 Prove that is also

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Let A Rmxn with m > n and have full column rank. Let be the solution of [IA] [r AT 0 Prove that is also the solution of the least squares problem mingern || Ax b||2. This gives us a new method to solve the least squares problem. Let A Rmxn with m > n and have full column rank. Let be the solution of [IA] [r AT 0 Prove that is also the solution of the least squares problem mingern || Ax b||2. This gives us a new method to solve the least squares

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