Multiplying matrices of different sizes
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Is there a compact way to multiply matrices of different sizes?
I would like to multiply the elements of a 4D 10x29x34x28 matrix by the elements in a 10x1 matrix (i.e. the multiplier only differs over the first dimension).
At the moment I have just constructed a 4D matrix out of the 10x1 matrix, but that's a little slow. I am hoping that there is a more graceful solution.
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Image Analyst
on 1 Jun 2015
That's only 276080 elements - it should be faster than a greased cheetah on steroids. How long is it taking? What is your current method?
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