Usually if I am writing functions with arguments that I might not always need, I will write if/else statements in the function to handle input values that flag the option as unused. Specifying a default value in an argument declaration makes the argument optional. Mar 1, 2017 · How to define a default input argument for a function? I want to set a default input argument which will be replaced later by new values entered by user. Use varargin and logical indexing to detect non-specified arguments (e. You can easily combine key-value and scalar-structure in one function, see my FEX submission here to see how: Nov 30, 2016 · How to assign default values to function inputs. I have done this in the past using the 'nargin' function. Nov 11, 2011 · Hello, I'm quite new to MATLAB and wondered; if in a script I ask a user to enter a number as an input, how can I enter a default paramater if the user chooses not to input any number, and simply p Oct 25, 2016 · C++/java/python系列的语言，函数可以有默认值，通常类似如下的形式： 到了matlab下发现并不能这样写。那是不是说matlab中希望函数有默认参数，就一定要很麻烦地，使用nargin来辅助实现呢？比如： matlab % 第三个参数有默认值 function [result]=some Apr 2, 2010 · In fact, it is extremely simple, but it is also widely useful. Nov 27, 2021 · 文章浏览阅读8. Learn more about inputparser, addoptional MATLAB I have packaged my simulation into a function, which contains default values for these parameters. empty).

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