Stability Analysis of Linear Discrete-Time Systems with Interval Delay: A Delay-Partitioning Approach

Table 1

Comparison of the number of decision variables involved in various methods.

Methods	Number of the decision variables
Theorem 1 in [22]	(23𝑛^2+5𝑛)/2
Theorem 3 in [22]	(67𝑛^2+9𝑛)/2
Theorem 1 in [31]	9𝑛^2+3𝑛
Theorem 1 in [23]	13𝑛^2+5𝑛
Proposition 1 in [26]	8𝑛^2+3𝑛
Theorem 2 in [37]	(𝑛/2)[𝑛(3𝑚^2+18𝑚+41)+(3𝑚+11)]
Theorem 3.1	(𝑛/2)[𝑛(𝑚^2+4𝑚+19)+(𝑚+5)]