I recomend you to eat a pizza with Jaromil

El 12/09/15 a las 00:18, KatolaZ escribió:
> will become pedantic now, but if A is a matrix, the interpretation
> of the equations above depends on what "1" and "/" actually mean for
> you. In general, 1/A does not mean anything when you deal with
> matrices. The symbol "A^{-1}" is normally used to denote the inverse
> of A. And the inverse is defined only for square matrices. Hence your
> "conclusion" is actually a fundamental hypothesys to make those
> equations mean anything at all:)
>
> HND