engineering recuitment BEL Probationary Engineers Mock Test 2025 Control Systems State Space Analysis State Variables
Number of state variables of discrete-time system, described by
\(y[n] - \frac{3}{4}y[n - 1] + \frac{1}{8}y[n - 2] = x[n]\) is
1
2
2
3
3
4
4
1