jcotto1280 jcotto1280

24-05-2018
Mathematics

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What will be the dimensions of the new matrix formed by multiplying a 3 x 4 matrix and a 4 x 1 matrix?

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tramserran tramserran

24-05-2018

The 2 middle values (4 and 4) must be identical in order to multiply their matrices. The size of the resulting matrix is the outer values.
[3 x 4] x [4 x 1] = [3 x 1]

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