Generate random invertible polynomial

Is there anyway to generate random invertible polynomials (to be used as starting points for ARMA estimation)?
I could generate proper roots randomly with an arbitrary law for roots and multiplicities, but maybe some known distribution over polynomial exists, answers this, and is implemented in Matlab ?

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Preguntada:

el 28 de Nov. de 2013

Editada:

el 28 de Nov. de 2013

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