In that case the matrix Riccati difference equations may be replaced by their associated discrete-time algebraic Riccati equations.
ɪn ðæt kˈeɪs ðə mˈeɪtɹɪks ɹɪkˈɑːɾi dˈɪfɹəns ᵻkwˈeɪʒənz mˈeɪ biː ɹᵻplˈeɪst baɪ ðɛɹ ɐsˈoʊsɪˌeɪɾᵻd dɪskɹˈiːttˈaɪm ˌældʒɪbɹˈeɪɪk ɹɪkˈɑːɾi ᵻkwˈeɪʒənz.