MathWorks - Mobile View
  • Sign In to Your MathWorks AccountSign In to Your MathWorks Account
  • Access your MathWorks Account
    • My Account
    • My Community Profile
    • Link License
    • Sign Out
  • Products
  • Solutions
  • Academia
  • Support
  • Community
  • Events
  • Get MATLAB
MathWorks
  • Products
  • Solutions
  • Academia
  • Support
  • Community
  • Events
  • Get MATLAB
  • Sign In to Your MathWorks AccountSign In to Your MathWorks Account
  • Access your MathWorks Account
    • My Account
    • My Community Profile
    • Link License
    • Sign Out

Videos and Webinars

  • MathWorks
  • Videos
  • Videos Home
  • Search
  • Videos Home
  • Search
  • Contact sales
  • Trial software
  Register to watch video
  • Description
  • Related Resources

Varargin and Nargin - Variable Inputs to a Function

Doug Hull, MathWorks

(Originally posted on Doug's MATLAB Video Tutorials blog.)

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/

Recorded: 8 Jan 2008

Related Products

  • MATLAB
Related Information
MATLAB Video Blog

Feedback

Featured Product

MATLAB

  • Request Trial
  • Get Pricing

Up Next:

4:05
Managing Code in MATLAB: Functions of Variable Numbers of...

Related Videos:

2:52
New Automatic Variable and Function Renaming in R2011b
7:15
Arduino and MATLAB: Reading Inputs and Writing Outputs
4:02
Handles and Other Inputs to GUIDE Callbacks
3:22
Functions with Multiple Inputs or Outputs

View more related videos

MathWorks - Domain Selector

Select a Web Site

Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .

Select web site

You can also select a web site from the following list:

How to Get Best Site Performance

Select the China site (in Chinese or English) for best site performance. Other MathWorks country sites are not optimized for visits from your location.

Americas

  • América Latina (Español)
  • Canada (English)
  • United States (English)

Europe

  • Belgium (English)
  • Denmark (English)
  • Deutschland (Deutsch)
  • España (Español)
  • Finland (English)
  • France (Français)
  • Ireland (English)
  • Italia (Italiano)
  • Luxembourg (English)
  • Netherlands (English)
  • Norway (English)
  • Österreich (Deutsch)
  • Portugal (English)
  • Sweden (English)
  • Switzerland
    • Deutsch
    • English
    • Français
  • United Kingdom (English)

Asia Pacific

  • Australia (English)
  • India (English)
  • New Zealand (English)
  • 中国
    • 简体中文Chinese
    • English
  • 日本Japanese (日本語)
  • 한국Korean (한국어)

Contact your local office

  • Contact sales
  • Trial software

Explore Products

  • MATLAB
  • Simulink
  • Student Software
  • Hardware Support
  • File Exchange

Try or Buy

  • Downloads
  • Trial Software
  • Contact Sales
  • Pricing and Licensing
  • How to Buy

Learn to Use

  • Documentation
  • Tutorials
  • Examples
  • Videos and Webinars
  • Training

Get Support

  • Installation Help
  • Answers
  • Consulting
  • License Center
  • Contact Support

About MathWorks

  • Careers
  • Newsroom
  • Social Mission
  • Contact Sales
  • About MathWorks

MathWorks

Accelerating the pace of engineering and science

MathWorks is the leading developer of mathematical computing software for engineers and scientists.

Discover…

  • Select a Web Site United States
  • Patents
  • Trademarks
  • Privacy Policy
  • Preventing Piracy
  • Application Status
  • Modern Slavery Act Transparency Statement

© 1994-2021 The MathWorks, Inc.

  • Facebook
  • Twitter
  • Instagram
  • YouTube
  • LinkedIn
  • RSS

Join the conversation

This website uses cookies to improve your user experience, personalize content and ads, and analyze website traffic.  By continuing to use this website, you consent to our use of cookies.  Please see our Privacy Policy to learn more about cookies and how to change your settings.