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ztrans don't work

roberto pansa 8
September 22 2008
0

Dear forum,

 I am working with maple 6. I have type the lines below :

> restart:readlib(ztrans):
> ztrans(Delta(t),t,z);

                           ztrans(Δ(t), t, z)                 ( this is the reslut)

> ztrans(Step(n),n,z);

                            ztrans(Step(n), n, z)                   ( this is the reslut)

In stead of those answers I expexted the follwing according my trainingmanual.    

 1             for ztrans(Delta(t),t,z);

AND

z / z-1        for ztrans(Step(n),n,z);

 

Can some one help me with this.

 

Regards,

 

Roberto
student

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