from scipy.signal import TransferFunction, lti numerator = 1.0 denominator = [-22.0, 0, 21.0 * 9.8] tf = TransferFunction(lti(numerator, denominator)) print("Transfer Function: {0}".format(tf)) print("Poles: {0}".format(tf.poles)) print("Zeros: {0}".format(tf.zeros)) zero_input = tf.output(0) print(zero_input)