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Advanced MATLAB: Varargin and Nargin- variable inputs to a function

Most MATLAB functions are overloaded. That means that there are several ways to call them and that MATLAB will “Do The Right Thing” based on the number and types of inputs. As a simple example you can call SUM

sum(M) %this will sum along the columns
sum(M,2) %this will sum along the rows

This video shows how you can implement the same behavior based on using

VARARGIN: VARiable ARGuments IN
NARGIN: Number ARGuments IN

Other videos have been gathered here:
https://blogs.mathworks.com/pick/category/video/

Other Advanced MATLAB posts have been gathered here:
https://blogs.mathworks.com/pick/category/advanced-matlab/

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