{"id":209,"date":"2007-11-08T14:18:56","date_gmt":"2007-11-08T19:18:56","guid":{"rendered":"http:\/\/www.randomideas.net\/?p=209"},"modified":"2007-11-08T14:18:56","modified_gmt":"2007-11-08T19:18:56","slug":"kroneckers-delta","status":"publish","type":"post","link":"http:\/\/randomideas.net\/?p=209","title":{"rendered":"Kronecker&#039;s Delta"},"content":{"rendered":"<p>&delta;<sub>ij<\/sub> = 1 if i=j, 0 otherwise.<\/p>\n<p>If you&#8217;re going to declare such a trivial operator part of the standard notation, at least don&#8217;t name it after someone as if it were a groundbreaking novelty!<\/p>\n<p>Also see Iverson brackets, a similar operator named after the creator of APL who received a Turing award in part &#8220;for his contributions to mathematical notation&#8221; (hopefully more because he created APL; most creators of popular programming languages have won Turing awards).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&delta;ij = 1 if i=j, 0 otherwise. If you&#8217;re going to declare such a trivial operator part of the standard notation, at least don&#8217;t name it after someone as if it were a groundbreaking novelty! Also see Iverson brackets, a similar operator named after the creator of APL who received a Turing award in part [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-209","post","type-post","status-publish","format-standard","hentry","category-general"],"_links":{"self":[{"href":"http:\/\/randomideas.net\/index.php?rest_route=\/wp\/v2\/posts\/209","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/randomideas.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/randomideas.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/randomideas.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/randomideas.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=209"}],"version-history":[{"count":0,"href":"http:\/\/randomideas.net\/index.php?rest_route=\/wp\/v2\/posts\/209\/revisions"}],"wp:attachment":[{"href":"http:\/\/randomideas.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=209"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/randomideas.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=209"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/randomideas.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=209"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}