vargin , vargout question

Altair Forum User

The below is an example in the help.

I want to know when it is used. 

Can you show examples how it used?

 

 

 function [y1, y2, varargout] = goo(x1, varargin)       y1=x1;             y2=x2;             y3=x1+x2; end   <span style='background-color:transparent;color:#000000;'>nargin</span>('goo') nargout('goo')

Altair Forum User

Hello Seoksan Kim,

         I have attached a function for your reference which make use of varargin to assign the input values. The function can be used to plot poles and zeros of a transfer function.

 

You can call the function using the following inputs.

 

sys.num = [2 3];

sys.den = [3 4 5];

pzmap(sys);

 

Thanks,

Sijo George

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