filtic function type error

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Spike
Spike 2014-4-25
评论： Spike 2014-4-25
Hi , I'm having this problem:
>> a=[1,-1.1443,0.4128];b=[0.0675,0.1349,0.675];
>> x=zeros(1,50);
>> zi=filtic(b,a,[1,2]);
Undefined function 'filtic' for input arguments of type 'double'.
How to fix it? The others' PC can run these codes without error ...
I have tried reinstall it , but it didn't work out.
Using : Win8 64bit , R2013a 64bit (Academic use)

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David Sanchez
David Sanchez 2014-4-25
The code is obviously right. Are you sure your version has the filtic function?
In the command window, write
type filtic
does the code of the function appear? That will tell you whether the function is present in your system or not
  1 个评论
Spike
Spike 2014-4-25
Oops..
This version doesn't have filtic function.
Thank you for the help.

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