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Math Forum » Discussions » Software » comp.soft-sys.matlab

Topic: Z Transform (ztrans)
Replies: 9   Last Post: Mar 8, 2012 9:00 PM

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amarender

Posts: 109
Registered: 2/5/09
Re: Z Transform (ztrans)
Posted: Mar 7, 2012 6:38 PM
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"kamuran turksoy" <kamuranturksoy@gmail.com> wrote in message <jj8fu1$576$1@newscl01ah.mathworks.com>...
> Hi everybody,
>
> i have a transfer function in s domain and i want to convert to z domain. I use ztrans function:
>
> syms s z t
>
> f=(6-2*t*s)/(6+4*s*t+(s*t)^2);
> ztrans(f,s,z)
>
> ans =
>
> 6*ztrans(1/(s^2*t^2 + 4*s*t + 6), s, z) + 2*t*z*diff(ztrans(1/(s^2*t^2 + 4*s*t + 6), s, z), z)
>
> However i want to see the result. I used simple, expand, pretty functions to see it but none of them worked.
>
> Can anybody tell me how can i see the result?
>
>
> Regards


have you tried to type ztrans on matlab? it doesn't exist



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