Stability Condition in Terms of the pole locations The absolute summability condition of hn is satisfied Hence, H(zis a stable transfer function Now. consider the case when the transfer function coefficients are rounded to values with 2 digits after the decimal point A( 1-1.85z-1+0.85z 2 Copyright C 2001, S K. MitraCopyright © 2001, S. K. Mitra 7 Stability Condition in Terms of the Pole Locations • The absolute summability condition of h[n] is satisfied • Hence, H(z) is a stable transfer function • Now, consider the case when the transfer function coefficients are rounded to values with 2 digits after the decimal point: 1 2 1 1 85 0 85 1 − − − + = z z H z . . ( ) ^