出现下列报错是什莫意思?请高手指教!
Warning: The output is not correct/robust.
Coeffs of B(s)/A(s) are real, but B(z)/A(z) has complex coeffs.
Probable cause is rooting of high-order repeated poles in A(s).
> In C:\MATLAB6p5\toolbox\signal\signal\impinvar.m at line 113
In C:\MATLAB6p5\work\my004.m at line 34