【MATLAB】Z变换和Z反变换

Z变换：ztrans Z反变换：iztrans

>> f2=((10*x*x))/((2*x+1)*(5*x+1)) f2 = (10*x^2)/((2*x + 1)*(5*x + 1)) >> iztrans(f2) ans = (5*(-1/2)^n)/3 - (2*(-1/5)^n)/3 >> ztrans(ans) ans = (5*z)/(3*(z + 1/2)) - (2*z)/(3*(z + 1/5))