What is the matrix multiplication of these two vectors?
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A=[ 1 1 1 4 5] and B=[1 2 3 4 5]
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Todd Leonhardt
2016-5-17
编辑:Todd Leonhardt
2016-5-17
To do matrix multiplication the inner dimensions must agree. Both of your matrices are 1x5 vectors. You can do either of the following:
A' * B (results in a 5x5 matrix)
or
A * B' (results in a 1x1 scalar)
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