Convert a table of S param to Z param

The input to s2z must be complex numbers, in the form Re + i*Im. The file you provided has a header line and three columns: frequency, real part, imaginary part. It uses two different separators: tab and comma. That is annoying because it complicates the reading in of the data.

I assume that the data is in real, imaginary format. Change it to complex:

z=Re+1i*Im

Then use s2z.

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Venkatkumar M 2022-1-21

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@William Rose

I am getting error in function renamevars

Undefined function 'renamevars' for input arguments of type 'table'.
Error in s_parm_db_to_z_param_1 (line 7)
T = renamevars(T,["Var1","Var2","Var3"],["freq","magdB","phase"]);

could you please clarify this?

William Rose 2022-1-21

@Venkatkumar M, I don;t know why you get an error. The error message suggests Matlab is not finding the function renamevars(). renamevars is art of basic Matlab - nt some Toolbox. Therefore it should work.

Did renamevars get overwritten by accident? Try "clear renamevars" to address this possibility, then try your code again.

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