Redo the tests in Exercise 2.3 using the procedures of Section 3.2. Write down the models and

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Redo the tests in Exercise 2.3 using the procedures of Section 3.2. Write down the models and explain the procedure.

Hints:

(a) Let A be a matrix of zeros, the generalized inverse of A, A-, can be anything at all because AA - A = A for any choice of A -.

(b) There is no reason why Xo cannot be a matrix of zeros.

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Redo the tests in Exercise 2.3 using the procedures of Section 3.2. Write down the models and

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