Multiplying Matrices

# Multiplying Matrices - Multiplying Matrices 1 A= -2 0 0 0 3...

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Multiplying Matrices 1 -2 0 4 0 3 -1 0 -5 A = B = -3 1 -1 2 -2 0 4 0 3 AB = ? ? ? ? ? ? ? ? ?

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Multiplying Matrices 4 0 3 -1 0 -5 A = B = 1 -1 -2 0 0 3 AB = ? ? ? ? ? ? ? ? ? 1 st row of A 1 st column of B
Multiplying Matrices AB = ? ? ? ? ? ? ? ? ? x = -3 x = -4 x = 0 -7 j 1 -2 0 0 4 0 3 -1 0 -5 -3 1 -1 2 -2 0 4 0 3

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Multiplying Matrices 1 -2 0 -1 0 -5 A = B = -3 1 2 -2 4 0 AB = -7 ? ? ? ? ? ? ? ? 2 nd row of A 3 rd column of B
Multiplying Matrices AB = -7 ? ? ? ? ? ? ? ? x = -4 x = 0 x = 9 5 j 4 0 3 1 -2 0 4 0 3 -1 0 -5 -3 1 -1 2 -2 0 4 0 3

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Multiplying Matrices 1 -2 0 4 0 3 A = B = -3 -1 2 0 4 3 AB = -7 ? ? ? ? 5 ? ? ? -1 3 rd row of A 2 nd column of B
Multiplying Matrices 1 -2 0 -1 0 -5 A = B = 1 -1 -2 0 0 3 AB = -7 ? ? ? ? 5 ? -1 ? 0

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Multiplying Matrices 1 -2 0 4 0 3 -1 0 -5 A = B = -3 1 -1 2 -2 0 4 0 3 AB = -7 5 -1 0 4 5 -17 -1 -14 j
Multiplying Matrices 1 -2 0 4 0 3 -1 0 -5 A = B = -3 1 -1 2 -2 0 4 0 3 AB = -7 5 -1 0 4 5 -17 -1 -14 BA = Is it commutative: Does AB = BA?

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Multiplying Matrices 0 3 -5 B = A = 2 -2 0 4 0 3 AB = -7 5 -1 0 4 5 -17 -1 -14 BA = Is it commutative: Does AB = BA?

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## This note was uploaded on 10/19/2009 for the course PHY 61 taught by Professor Tobin during the Fall '09 term at Tufts.

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Multiplying Matrices - Multiplying Matrices 1 A= -2 0 0 0 3...

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