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Well if you think of matrices as linear maps then saying a vector is just an Nx1 matrix is like saying that a vector is just a linear map from a vector space of
by dan-robertson 6y ago
Well if you think of matrices as linear maps then saying a vector is just an Nx1 matrix is like saying that a vector is just a linear map from a vector space of dimension 1 to a vector space of dimension N. It isn’t really a very useful thing to say
- tomjakubowski 6y agoSure it's useful, if not earth-shattering - another way of saying it is that a vector maps scalars to vectors on the same line.