Question: P 1 . 1 . 4 Suppose D = ABC where A in IRm times n , B in IRn times p ,

P1.1.4 Suppose D = ABC where A in IRm\times n, B in IRn\times p,andC in IRp\times q. Compare the flop count of an algorithm that computes D via the formula D =(AB)C versus the flop count for an algorithm that computes D using D = A(BC). Under what conditions is the former procedure more flop-efficient than the latter?

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