{"id":3609,"date":"2009-10-31T10:57:40","date_gmt":"2009-10-31T02:57:40","guid":{"rendered":"http:\/\/www.intmath.com\/blog\/?p=3609"},"modified":"2013-02-15T18:08:47","modified_gmt":"2013-02-15T10:08:47","slug":"3d-grapher-with-contour-plot","status":"publish","type":"post","link":"https:\/\/www.intmath.com\/blog\/mathematics\/3d-grapher-with-contour-plot-3609","title":{"rendered":"3D Grapher with contour plot"},"content":{"rendered":"<p>I recently added a 3D Grapher on IntMath.com, here: <a href=\"https:\/\/www.intmath.com\/vectors\/3d-grapher.php\">3D and Contour Grapher<\/a>.<\/p>\n<p>It's Flash-based, and you can enter your own 3D function, which requires the variables <i>x<\/i> and <i>y<\/i>. The syntax for adding functions is fairly standard. You can enter examples like these:<\/p>\n<ul>\n<li>x^2+y^2<\/li>\n<li>e^(x-y)<\/li>\n<li>sqrt(2x^3+y^2) <\/li>\n<li>sin(x+y) [trigonometric functions require brackets]<\/li>\n<\/ul>\n<p>I obtained this mathematical model for an outdoor chair using the interactive:<\/p>\n<p><img loading=\"lazy\" src=\"\/blog\/wp-content\/images\/2009\/10\/outdoor-chair-3D-graph.gif\" alt=\"outdoor chair 3D graph\" title=\"outdoor chair 3D graph\" width=\"275\" height=\"276\" \/><\/p>\n<p>Its function is <em>z = f<\/em>(<em>x,y<\/em>) = <em>x<\/em><sup>2<\/sup> - <em>y<\/em><sup>3<\/sup>.<\/p>\n<p>Have a play with the <a href=\"https:\/\/www.intmath.com\/vectors\/3d-grapher.php\">3D and Contour Grapher<\/a> and let me know what you think.<\/p>\n<p class=\"alt\"><a href=\"#respond\" id=\"comms\">Be the first to comment<\/a> below.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><a href=\"https:\/\/www.intmath.com\/blog\/mathematics\/3d-grapher-with-contour-plot-3609\"><img loading=\"lazy\" src=\"\/blog\/wp-content\/images\/2009\/10\/outdoor-chair-3D-graph_sm.gif\" alt=\"outdoor-chair-3D-graph_sm\" title=\"outdoor-chair-3D-graph_sm\" width=\"128\" height=\"116\" class=\"imgRt\" \/><\/a> Here's a grapher that will plot your 3D function and will also give you a contour map of it.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mo_disable_npp":""},"categories":[4],"tags":[134,127],"_links":{"self":[{"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/posts\/3609"}],"collection":[{"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/comments?post=3609"}],"version-history":[{"count":0,"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/posts\/3609\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/media?parent=3609"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/categories?post=3609"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/tags?post=3609"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}