Over the last few issues, we've been talking about the math entity called a matrix. I've given examples of how matrices are useful and how matrix algebra can simplify complicated problems. A messy ...

Download PDF More Formats on IMF eLibrary Order a Print Copy Create Citation This paper sets out the key concepts necessary to calculate trade in value added using input-output tables. We explain the ...

This is a preview. Log in through your library . Abstract The approximate self-consistent field equations of Roothaan (1951) are studied from the standpoint of density matrix theory. Their direct ...