Multiplying matrices An animated example. (3 x 3)x (3 x 2)= (3 x 2) These must be the same, otherwise multiplication cannot be done Is multiplication.

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Presentation transcript:

Multiplying matrices An animated example

(3 x 3)x (3 x 2)= (3 x 2) These must be the same, otherwise multiplication cannot be done Is multiplication possible?

To find a … 27 a is in 1 st row and 1 st column of answer

To find b … 28 b is in 1 st row and 2 nd column of answer

To find c … 78 c is in 2 nd row and 1 st column of answer

To find d … d is in 2 nd row and 2 nd column of answer 85

To find e … e is in 3 rd row and 1 st column of answer 129

To find f … f is in 3 rd row and 2 nd column of answer 142

End