{"id":238,"date":"2008-01-08T13:47:51","date_gmt":"2008-01-08T18:47:51","guid":{"rendered":"https:\/\/blogs.mathworks.com\/videos\/2008\/01\/08\/advanced-matlab-varargin-and-nargin-variable-inputs-to-a-function\/"},"modified":"2016-04-04T15:26:57","modified_gmt":"2016-04-04T20:26:57","slug":"advanced-matlab-varargin-and-nargin-variable-inputs-to-a-function","status":"publish","type":"post","link":"https:\/\/blogs.mathworks.com\/videos\/2008\/01\/08\/advanced-matlab-varargin-and-nargin-variable-inputs-to-a-function\/","title":{"rendered":"Advanced MATLAB: Varargin and Nargin- variable inputs to a function"},"content":{"rendered":"Most MATLAB functions are overloaded. That means that there are several ways to call them and that MATLAB will &#8220;Do The Right Thing&#8221; based on the number and types of inputs. As a simple example you can call SUM\r\n\r\n<code>sum(M) %this will sum along the columns\r\nsum(M,2) %this will sum along the rows<\/code>\r\n\r\nThis video shows how you can implement the same behavior based on using\r\n\r\n<strong>VARARGIN<\/strong>: <strong>VAR<\/strong>iable <strong>ARG<\/strong>uments <strong>IN<\/strong>\r\n<strong>NARGIN<\/strong>: <strong>N<\/strong>umber <strong>ARG<\/strong>uments <strong>IN<\/strong>\r\n<div><div class=\"row\"><div class=\"col-xs-12 containing-block\"><div class=\"bc-outer-container add_margin_20\"><videoplayer><div class=\"video-js-container\"><video data-video-id=\"3877438054001\" data-video-category=\"blog\" data-autostart=\"false\" data-account=\"62009828001\" data-omniture-account=\"mathwgbl\" data-player=\"rJ9XCz2Sx\" data-embed=\"default\" id=\"mathworks-brightcove-player\" class=\"video-js\" controls><\/video><script src=\"\/\/players.brightcove.net\/62009828001\/rJ9XCz2Sx_default\/index.min.js\"><\/script><script>if (typeof(playerLoaded) === 'undefined') {var playerLoaded = false;}(function isVideojsDefined() {if (typeof(videojs) !== 'undefined') {videojs(\"mathworks-brightcove-player\").on('loadedmetadata', function() {playerLoaded = true;});} else {setTimeout(isVideojsDefined, 10);}})();<\/script><\/div><\/videoplayer><\/div><\/div><\/div><\/div>\r\nOther videos have been gathered here:\r\n<a href=\"https:\/\/blogs.mathworks.com\/pick\/category\/video\/\">https:\/\/blogs.mathworks.com\/pick\/category\/video\/<\/a>\r\n\r\nOther Advanced MATLAB posts have been gathered here:\r\n<a href=\"https:\/\/blogs.mathworks.com\/pick\/category\/advanced-matlab\/\">https:\/\/blogs.mathworks.com\/pick\/category\/advanced-matlab\/<\/a>","protected":false},"excerpt":{"rendered":"<div class=\"thumbnail thumbnail_asset asset_overlay video\"><a href=\"https:\/\/blogs.mathworks.com\/videos\/2008\/01\/08\/advanced-matlab-varargin-and-nargin-variable-inputs-to-a-function\/?dir=autoplay\"><img decoding=\"async\" src=\"https:\/\/cf-images.us-east-1.prod.boltdns.net\/v1\/static\/62009828001\/920a39b1-c513-45c6-8f98-768e86f2fb19\/9272374b-788a-4fee-8cb7-3d32e33740b4\/1280x720\/match\/image.jpg\" onError=\"this.style.display ='none';\"\/>\n      <div class=\"overlay_container\">\n      <span class=\"icon-video icon_color_null\"><time class=\"video_length\">2:46<\/time><\/span>\n      <\/div>\n      <\/a><\/div><p>Most MATLAB functions are overloaded. That means that there are several ways to call them and that MATLAB will &#8220;Do The Right Thing&#8221; based on the number and types of inputs. As a simple&#8230; <a class=\"read-more\" href=\"https:\/\/blogs.mathworks.com\/videos\/2008\/01\/08\/advanced-matlab-varargin-and-nargin-variable-inputs-to-a-function\/\">read more >><\/a><\/p>","protected":false},"author":68,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[19,4,12],"tags":[],"_links":{"self":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/posts\/238"}],"collection":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/users\/68"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/comments?post=238"}],"version-history":[{"count":1,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/posts\/238\/revisions"}],"predecessor-version":[{"id":2162,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/posts\/238\/revisions\/2162"}],"wp:attachment":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/media?parent=238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/categories?post=238"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/tags?post=238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}