{"id":379,"date":"2009-07-10T16:56:09","date_gmt":"2009-07-10T16:56:09","guid":{"rendered":"https:\/\/blogs.mathworks.com\/videos\/2009\/07\/10\/basics-visualizing-a-function-of-two-variables\/"},"modified":"2009-07-10T16:56:09","modified_gmt":"2009-07-10T16:56:09","slug":"basics-visualizing-a-function-of-two-variables","status":"publish","type":"post","link":"https:\/\/blogs.mathworks.com\/videos\/2009\/07\/10\/basics-visualizing-a-function-of-two-variables\/","title":{"rendered":"Basics: Visualizing a function of two variables"},"content":{"rendered":"I was interested in visualizing isolines on a graph of <a href=\"http:\/\/en.wikipedia.org\/wiki\/Body_mass_index\">BMI<\/a>.  This is a non-linear function of two variables.  I thought the best way to visualize this would be with a contour plot. \r\n\r\n<p>\r\n<p>\r\nThis video is very basic, it starts by creating the vectors of inputs to this function and then making them into matrices.  We then calculate the BMI and modify the contour plot to look more like we want.\r\n\r\n\r\n\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=\"3877437986001\" 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>\r\n <\/div>\r\n","protected":false},"excerpt":{"rendered":"<div class=\"thumbnail thumbnail_asset asset_overlay video\"><a href=\"https:\/\/blogs.mathworks.com\/videos\/2009\/07\/10\/basics-visualizing-a-function-of-two-variables\/?dir=autoplay\"><img decoding=\"async\" src=\"https:\/\/cf-images.us-east-1.prod.boltdns.net\/v1\/static\/62009828001\/3181815a-6ee1-47ae-a6d9-96e1a33bb1cc\/72c513ff-3ac1-46ce-b80b-97dcebe90775\/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\">6:30<\/time><\/span>\n      <\/div>\n      <\/a><\/div><p>I was interested in visualizing isolines on a graph of BMI.  This is a non-linear function of two variables.  I thought the best way to visualize this would be with a contour plot. \r\n\r\n\r\n\r\nThis video&#8230; <a class=\"read-more\" href=\"https:\/\/blogs.mathworks.com\/videos\/2009\/07\/10\/basics-visualizing-a-function-of-two-variables\/\">read more >><\/a><\/p>","protected":false},"author":68,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[4,17],"tags":[],"_links":{"self":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/posts\/379"}],"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=379"}],"version-history":[{"count":0,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/posts\/379\/revisions"}],"wp:attachment":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/media?parent=379"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/categories?post=379"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/tags?post=379"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}