Mathematics, 27.09.2021 06:30 reginapokorny

Let A and B be m × n and r × s matrices respectively. Use summation notation to define (ab)ij , the ijth entry of the product AB. Explain carefully why we need n = r for this definition to make sense.

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Let A and B be m × n and r × s matrices respectively. Use summation notation to define (ab)ij , the...

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