{"id":651,"date":"2023-11-17T12:10:38","date_gmt":"2023-11-17T04:10:38","guid":{"rendered":"http:\/\/purplepoolobservatory.com\/?p=651"},"modified":"2023-11-17T12:10:38","modified_gmt":"2023-11-17T04:10:38","slug":"sympy%e6%b1%82%e5%81%8f%e5%af%bc","status":"publish","type":"post","link":"https:\/\/purplepoolobservatory.com\/?p=651","title":{"rendered":"sympy\u6c42\u504f\u5bfc"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>In &#91;1]: from sympy import symbols, log, diff\nIn &#91;2]: a,b,c,v,t = symbols(\"a b c v t\",real=True)\nIn &#91;3]: u=a*log((b\/a)*t+1)+c+v*t\nIn &#91;4]: print(diff(u,t))\nb\/(1 + b*t\/a) + v<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-651","post","type-post","status-publish","format-standard","hentry","category-technology"],"_links":{"self":[{"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=\/wp\/v2\/posts\/651","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=651"}],"version-history":[{"count":1,"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=\/wp\/v2\/posts\/651\/revisions"}],"predecessor-version":[{"id":652,"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=\/wp\/v2\/posts\/651\/revisions\/652"}],"wp:attachment":[{"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=651"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=651"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=651"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}