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1. what are the general strategies to convert difficult problems to easier ones? (list at least two strategies) 2. if a matrix a is nonsingular, what properties does a have? (give at least one property) 3. what is normal equation? (give the formula) 4. how many solutions does a linear system have? 5. what is an overdetermined system?

User Nimrod Dayan
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1 Answer

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If the matrix is a nonsingual then two strategies must be properties
User Szupie
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