Abstract the recent interest in delta operator or operator formulated discrete time systems or systems is due mainly to a their superior finite wordlength characteristics as compared to their more conventional shift operator orq operator counterparts orq systems and b the possibility of a more unified treatment of both continuous and discrete time systems. An algorithm for stability determination of two dimensional delta operator formulated discrete time systems kamal premaratne department of electrical and computer engineering university of miami po box 248294 coral gables fl 33124 usa as boujarwah. With such advantages design analysis and implementation of two dimensional 2 d discrete time systems using the delta operator is indeed warranted towards this end the work in this paper addresses the development of an easily implementable direct algorithm for stability checking of 2 d discrete time system transfer function models. Premaratne k boujarwah a 1995an algorithm for stability determination of two dimensional delta operator formulated discrete time systems multidimensional systems and signal processing 6 287 312 ekanayake m premaratne k 1995two channel iir qmf banks with approximately linear phase analysis and synthesis filters. Stability determination of two dimensional discrete time systems form in determining stability of 2 d discrete time systems and for this purpose we present two algorithms both algorithms utilize a recent result that has established the relationship between schur cohn minors and the entries of the bistritz tabular form corresponding to
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