//Example_a_17_7 page no:867 clc; f=12*10^3; L=10*10^-3; C=0.32*10^-6; fc=1/(%pi*sqrt(L*C)); k=sqrt(L/C); atten_cont=2*acosh(f/fc); disp(fc/1000,"the cut off frequency is (in kHz)"); disp(k,"nominal impedance is (in ohm)"); disp(atten_cont,"the attenuation constant is (in nepers)");