Stability Condition in Terms of the pole locations Example- Consider the causal iir transfer function H(z)= 1-1.845z-1+0.850586z 2 The plot of the impulse response coefficients is shown on the next slide Copyright C 2001, S K. MitraCopyright © 2001, S. K. Mitra 5 Stability Condition in Terms of the Pole Locations • Example - Consider the causal IIR transfer function • The plot of the impulse response coefficients is shown on the next slide 1 2 1 1 845 0 850586 1 − − − + = z z H z . . ( )