Undefined function 'bilinear' for input arguments of type 'double'.

>> c=[1,1]

c =

     1     1

>> d=[1,5,6]

d =

     1     5     6

>> t=0.1

t =

    0.1000

>> fs=1/t

fs =

    10

>> bilinear Undefined function or variable 'bilinear'.

>> [b,a]=bilinear(c,d,fs) Undefined function 'bilinear' for input arguments of type 'double'.

>> which bilinear C:\Program Files\MATLAB\R2012b\toolbox\signal\signal\bilinear.m % Has no license available >> [b,a]=bilinear(c,d,fs) Undefined function 'bilinear' for input arguments of type 'double'.

Answer 1

[Sean de Wolski]

Apparently you do not have a license available for the Signal processing Toolbox. Please talk to your IT department or friendly Account Manager at MathWorks.