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vec(AXBT) = (BA)vec(X) Suppose A, X, and B are all N N dense matrices. Determine how many scalar multiplications are needed for the LHS vec(AXBT)
vec(AXBT) = (BA)vec(X) Suppose A, X, and B are all N N dense matrices. Determine how many scalar multiplications are needed for the LHS vec(AXBT) and compare to the number for the RHS ( BA)vec(X). Which version uses fewer multiplications? vec(AXBT) = (BA)vec(X) Suppose A, X, and B are all N N dense matrices. Determine how many scalar multiplications are needed for the LHS vec(AXBT) and compare to the number for the RHS ( BA)vec(X). Which version uses fewer multiplications
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