Hey,,I'm new to matlab.
I have homework says that:- y(n)=0.4142y(n-1)+0.2929x(n)+0.2929x(n-1)
find H(z) ?? Plot the poles and zeros on the z-plan with the unit circle ?
Can Somebody help me ,, Please?? thank You !
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This is not a MATLAB question.
Here is some theory:
You can certainly plug in those coefficients into tf (in the right way) and it will give you the transfer function.
I'm not sure I fully understand the equation. I also am not sure how to solve for the transfer function given the differential equation. I do know, however, that once you find the transfer function, you can do something like (just for example):
>> H_z = tf(1, [1 4 6])
1 ------------- s^2 + 4 s + 6
Continuous-time transfer function.
Where pzmap plots a graph of the poles (marked with "x"s) and zeros (marked with "o"s). This example has no zeros, but has poles at -2 +/- sqrt(2)*i.
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