{"id":711,"date":"2013-07-01T11:39:35","date_gmt":"2013-07-01T11:39:35","guid":{"rendered":"http:\/\/lousodrome.net\/blog\/light\/?p=711"},"modified":"2013-07-01T11:39:35","modified_gmt":"2013-07-01T11:39:35","slug":"matrix-and-quaternion-faq","status":"publish","type":"post","link":"https:\/\/lousodrome.net\/blog\/light\/2013\/07\/01\/matrix-and-quaternion-faq\/","title":{"rendered":"Matrix and Quaternion FAQ"},"content":{"rendered":"<p>Although its caveats, a classic on the web and still a useful resource, here is the most recent version I found of the: <a href=\"http:\/\/www.j3d.org\/matrix_faq\/matrfaq_latest.html\">Matrix and Quaternion FAQ<\/a>.<\/p>\n<blockquote><p><strong>Warning<\/strong>: the document I&#8217;m linking here has been orphaned for many years and might still contain errors. Moreover, the links are broken on this version hosted on Java 3D (they&#8217;re not on the <a href=\"http:\/\/www.cs.princeton.edu\/~gewang\/projects\/darth\/stuff\/quat_faq.html\">even older, Princeton version<\/a>).<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>Although its caveats, a classic on the web and still a useful resource, here is the most recent version I found of the: Matrix and Quaternion FAQ. Warning: the document I&#8217;m linking here has been orphaned for many years and &hellip; <a href=\"https:\/\/lousodrome.net\/blog\/light\/2013\/07\/01\/matrix-and-quaternion-faq\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[412,417,415,416,414,135,371,410,411,372,418,413,133],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.13 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Matrix and Quaternion FAQ &ndash; Light is beautiful<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lousodrome.net\/blog\/light\/2013\/07\/01\/matrix-and-quaternion-faq\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Matrix and Quaternion FAQ &ndash; Light is beautiful\" \/>\n<meta property=\"og:description\" content=\"Although its caveats, a classic on the web and still a useful resource, here is the most recent version I found of the: Matrix and Quaternion FAQ. Warning: the document I&#8217;m linking here has been orphaned for many years and &hellip; Continue reading &rarr;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lousodrome.net\/blog\/light\/2013\/07\/01\/matrix-and-quaternion-faq\/\" \/>\n<meta property=\"og:site_name\" content=\"Light is beautiful\" \/>\n<meta property=\"article:published_time\" content=\"2013-07-01T11:39:35+00:00\" \/>\n<meta name=\"author\" content=\"Julien Guertault\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@Zavie\" \/>\n<meta name=\"twitter:site\" content=\"@Zavie\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Julien Guertault\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/lousodrome.net\/blog\/light\/2013\/07\/01\/matrix-and-quaternion-faq\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/lousodrome.net\/blog\/light\/2013\/07\/01\/matrix-and-quaternion-faq\/\"},\"author\":{\"name\":\"Julien Guertault\",\"@id\":\"https:\/\/lousodrome.net\/blog\/light\/#\/schema\/person\/a16a2a69d73eca763ffdf125c49eaa2f\"},\"headline\":\"Matrix and Quaternion FAQ\",\"datePublished\":\"2013-07-01T11:39:35+00:00\",\"dateModified\":\"2013-07-01T11:39:35+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/lousodrome.net\/blog\/light\/2013\/07\/01\/matrix-and-quaternion-faq\/\"},\"wordCount\":68,\"commentCount\":2,\"publisher\":{\"@id\":\"https:\/\/lousodrome.net\/blog\/light\/#\/schema\/person\/a16a2a69d73eca763ffdf125c49eaa2f\"},\"keywords\":[\"conversion\",\"coordinate system\",\"determinant\",\"Euler angles\",\"inverse\",\"linear algebra\",\"math\",\"matrix\",\"projection\",\"quaternion\",\"rotation\",\"transformation\",\"vector\"],\"articleSection\":[\"Random\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/lousodrome.net\/blog\/light\/2013\/07\/01\/matrix-and-quaternion-faq\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/lousodrome.net\/blog\/light\/2013\/07\/01\/matrix-and-quaternion-faq\/\",\"url\":\"https:\/\/lousodrome.net\/blog\/light\/2013\/07\/01\/matrix-and-quaternion-faq\/\",\"name\":\"Matrix and Quaternion FAQ &ndash; 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