On Wed, 26 Oct 2016, Hélio Guilherme wrote:

> Dear specialists in Math and Anglo to Romanic languages translations,
>
> In this case translation of "rank-deficient" (matrix) to Portuguese.
>
> I am having trouble in finding a good translation for:
> Warning: Jacobian is rank-deficient
>
> This is the best I got (I'll keep original words when in doubt):
> Aviso: a Jacobiana não é linearmente independente (é "rank-deficient")
>
> Direct translation for the above could be:
> Warning: the Jacobian is not linearly independent (it is "rank-deficient")
>
> I know that the rows or columns of the Jacobian matrix are not linear
> independent, but what do you think about my choice for the translation?
>
> Note: I have found direct translation in Portuguese used in Brazil, for
> "rank-deficient" as "deficiente de posto" but it does not sound right to me.
>
> Thank you very much and keep doing a good job!

In my Italian translation I used:

"Attenzione: lo Jacobiano è di rango ridotto"

I don't know whether an analogous phrasing would be considered acceptable 
in the Portuguese linear algebra jargon. In Italian, it's 
technically correct and IMO doesn't sound awkward.

-------------------------------------------------------
   Riccardo (Jack) Lucchetti
   Dipartimento di Scienze Economiche e Sociali (DiSES)

   Università Politecnica delle Marche
   (formerly known as Università di Ancona)

   r.lucchetti@univpm.it
   http://www2.econ.univpm.it/servizi/hpp/lucchetti
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