Variables finitas condicionalmente especificadas

Abstract

En este trabajo se estudia la existencia y unicidad de vectores bidimensionales de variables discreta con recorrido finito, cuando se fijan sus distribuciones condicionadas. Para ello, tras repasar la literatura existente sobre el tema, proporcionamos diversos resultados que relacionan diversos temas de ´algebra matricial, especialmente la descomposici´on singular, con el problema que nos ocupa.

In this research, the existence and uniqueness of bidimensional vectors of discrete variables with finite rank is studied when their condition distribution are set. To do that and after revising the literature about the subject, we provide several results that relate some issues of matricial algebra, specially the singular descomposition, to the problem that we are interested in.