{"id":1190,"date":"2023-07-27T08:38:01","date_gmt":"2023-07-27T08:38:01","guid":{"rendered":"https:\/\/statorials.org\/nl\/matplotlib-pijl\/"},"modified":"2023-07-27T08:38:01","modified_gmt":"2023-07-27T08:38:01","slug":"matplotlib-pijl","status":"publish","type":"post","link":"https:\/\/statorials.org\/nl\/matplotlib-pijl\/","title":{"rendered":"Hoe pijlen te tekenen in matplotlib"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Om pijlen in Matplotlib te tekenen, kunt u de<\/span> functie <a href=\"https:\/\/matplotlib.org\/api\/_as_gen\/matplotlib.pyplot.arrow.html\" target=\"_blank\" rel=\"noopener noreferrer\">matplotlib.pyplot.arrow<\/a> gebruiken <span style=\"color: #000000;\">, die de volgende syntaxis gebruikt:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>matplotlib.pyplot.arrow(x, y, dx, dy)<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Goud:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>x, y:<\/strong> de x- en y-co\u00f6rdinaten van de basis van de pijl<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>dx, dy:<\/strong> de lengte van de pijl in de x- en y-richting<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Deze tutorial biedt verschillende voorbeelden van praktisch gebruik van deze functie.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Voorbeeld 1: teken een enkele pijl<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">De volgende code laat zien hoe u een enkele pijl op een Matplotlib-plot tekent:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> matplotlib. <span style=\"color: #3366ff;\">pyplot<\/span> <span style=\"color: #008000;\">as<\/span> plt\n\n<span style=\"color: #008080;\">#define two arrays for plotting\n<\/span>A = [3, 5, 5, 6, 7, 8]\nB = [12, 14, 17, 20, 22, 27]\n\n<span style=\"color: #008080;\">#create scatterplot, specifying marker size to be 40\n<\/span>plt. <span style=\"color: #3366ff;\">scatter<\/span> (A, B, s= <span style=\"color: #008000;\">40<\/span> )\n\n<span style=\"color: #008080;\">#add arrow to plot\n<\/span>plt. <span style=\"color: #3366ff;\">arrow<\/span> (x= <span style=\"color: #008000;\">4<\/span> , y= <span style=\"color: #008000;\">18<\/span> , dx= <span style=\"color: #008000;\">2<\/span> , dy= <span style=\"color: #008000;\">5<\/span> , width= <span style=\"color: #008000;\">.08<\/span> ) \n  \n<span style=\"color: #008080;\">#displayplot \n<\/span>plt. <span style=\"color: #3366ff;\">show<\/span> ()\n<\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-11827 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/fleche1.png\" alt=\"Pijl in matplotlib-plot\" width=\"409\" height=\"274\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Merk op dat we <strong>dx=0<\/strong> kunnen instellen om een verticale pijl te cre\u00ebren en <strong>dy=0<\/strong> om een horizontale pijl te cre\u00ebren.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Zo maakt u bijvoorbeeld een verticale pijl:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> matplotlib. <span style=\"color: #3366ff;\">pyplot<\/span> <span style=\"color: #008000;\">as<\/span> plt\n\n<span style=\"color: #008080;\">#define two arrays for plotting\n<\/span>A = [3, 5, 5, 6, 7, 8]\nB = [12, 14, 17, 20, 22, 27]\n\n<span style=\"color: #008080;\">#create scatterplot, specifying marker size to be 40\n<\/span>plt. <span style=\"color: #3366ff;\">scatter<\/span> (A, B, s= <span style=\"color: #008000;\">40<\/span> )\n\n<span style=\"color: #008080;\">#add arrow to plot\n<\/span>plt. <span style=\"color: #3366ff;\">arrow<\/span> (x= <span style=\"color: #008000;\">4<\/span> , y= <span style=\"color: #008000;\">18<\/span> , dx= <span style=\"color: #008000;\">0<\/span> , dy= <span style=\"color: #008000;\">5<\/span> , width= <span style=\"color: #008000;\">.08<\/span> ) \n  \n<span style=\"color: #008080;\">#displayplot \n<\/span>plt. <span style=\"color: #3366ff;\">show<\/span> ()<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-11828 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/fleche2.png\" alt=\"Verticale pijl in matplotlib\" width=\"407\" height=\"263\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Voorbeeld 2: Een pijl stylen<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Standaard is een pijl in Matplotlib blauw met zwarte randen, maar we kunnen dit eenvoudig wijzigen met behulp van de argumenten <strong>facecolor<\/strong> en <strong>edgecolor<\/strong> :<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> matplotlib. <span style=\"color: #3366ff;\">pyplot<\/span> <span style=\"color: #008000;\">as<\/span> plt\n\n<span style=\"color: #008080;\">#define two arrays for plotting\n<\/span>A = [3, 5, 5, 6, 7, 8]\nB = [12, 14, 17, 20, 22, 27]\n\n<span style=\"color: #008080;\">#create scatterplot, specifying marker size to be 40\n<\/span>plt. <span style=\"color: #3366ff;\">scatter<\/span> (A, B, s= <span style=\"color: #008000;\">40<\/span> )\n\n<span style=\"color: #008080;\">#add arrow to plot\n<\/span>plt. <span style=\"color: #3366ff;\">arrow<\/span> (x= <span style=\"color: #008000;\">4<\/span> , y= <span style=\"color: #008000;\">18<\/span> , dx= <span style=\"color: #008000;\">0<\/span> , dy= <span style=\"color: #008000;\">5<\/span> , width= <span style=\"color: #008000;\">.08 <span style=\"color: #000000;\">, facecolor=<\/span> 'red' <span style=\"color: #000000;\">, edgecolor=<\/span> 'none'<\/span> ) \n  \n<span style=\"color: #008080;\">#displayplot \n<\/span>plt. <span style=\"color: #3366ff;\">show<\/span> ()<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-11829 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/fleche3.png\" alt=\"Pijl met aangepaste kleur in matplotlib\" width=\"409\" height=\"276\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\"><a href=\"https:\/\/matplotlib.org\/api\/_as_gen\/matplotlib.pyplot.arrow.html\" target=\"_blank\" rel=\"noopener noreferrer\">Hier<\/a> vindt u een volledige lijst met stijleigenschappen die op pijlen kunnen worden toegepast.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Voorbeeld 3: Annotaties toevoegen aan pijlen<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">De volgende code laat zien hoe u een annotatie onder een pijl op een Matplotlib-plot toevoegt:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> matplotlib. <span style=\"color: #3366ff;\">pyplot<\/span> <span style=\"color: #008000;\">as<\/span> plt\n\n<span style=\"color: #008080;\">#define two arrays for plotting\n<\/span>A = [3, 5, 5, 6, 7, 8]\nB = [12, 14, 17, 20, 22, 27]\n\n<span style=\"color: #008080;\">#create scatterplot, specifying marker size to be 40\n<\/span>plt. <span style=\"color: #3366ff;\">scatter<\/span> (A, B, s= <span style=\"color: #008000;\">40<\/span> )\n\n<span style=\"color: #008080;\">#add arrow to plot\n<\/span>plt. <span style=\"color: #3366ff;\">arrow<\/span> (x= <span style=\"color: #008000;\">4<\/span> , y= <span style=\"color: #008000;\">18<\/span> , dx= <span style=\"color: #008000;\">0<\/span> , dy= <span style=\"color: #008000;\">5<\/span> , width= <span style=\"color: #008000;\">.08<\/span> ) \n\n<span style=\"color: #008080;\">#add annotation\n<\/span>plt. <span style=\"color: #3366ff;\">annotate<\/span> (' <span style=\"color: #008000;\">General direction<\/span> ', xy = (3.4, 17))\n  \n<span style=\"color: #008080;\">#displayplot \n<\/span>plt. <span style=\"color: #3366ff;\">show<\/span> ()<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-11830 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/fleche4.png\" alt=\"Pijl met annotatie in matplotlib\" width=\"395\" height=\"263\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Aanvullende bronnen<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/nl\/cirkel-matplotlib\/\" target=\"_blank\" rel=\"noopener noreferrer\">Cirkels plotten in Matplotlib (met voorbeelden)<\/a><br \/><a href=\"https:\/\/statorials.org\/nl\/rechthoek-matplotlib\/\" target=\"_blank\" rel=\"noopener noreferrer\">Rechthoeken tekenen in Matplotlib (met voorbeelden)<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Om pijlen in Matplotlib te tekenen, kunt u de functie matplotlib.pyplot.arrow gebruiken , die de volgende syntaxis gebruikt: matplotlib.pyplot.arrow(x, y, dx, dy) Goud: x, y: de x- en y-co\u00f6rdinaten van de basis van de pijl dx, dy: de lengte van de pijl in de x- en y-richting Deze tutorial biedt verschillende voorbeelden van praktisch gebruik [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-1190","post","type-post","status-publish","format-standard","hentry","category-gids"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Hoe pijlen te tekenen in Matplotlib \u2013 Statorials<\/title>\n<meta name=\"description\" content=\"In deze tutorial wordt uitgelegd hoe u pijlen tekent op Matplotlib-plots, met verschillende voorbeelden.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/nl\/matplotlib-pijl\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hoe pijlen te tekenen in Matplotlib \u2013 Statorials\" \/>\n<meta property=\"og:description\" content=\"In deze tutorial wordt uitgelegd hoe u pijlen tekent op Matplotlib-plots, met verschillende voorbeelden.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/nl\/matplotlib-pijl\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-27T08:38:01+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/fleche1.png\" \/>\n<meta name=\"author\" content=\"Dr.benjamin anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Verfasst von\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dr.benjamin anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Gesch\u00e4tzte Lesezeit\" \/>\n\t<meta name=\"twitter:data2\" content=\"2\u00a0Minuten\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/nl\/matplotlib-pijl\/\",\"url\":\"https:\/\/statorials.org\/nl\/matplotlib-pijl\/\",\"name\":\"Hoe pijlen te tekenen in Matplotlib \u2013 Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/nl\/#website\"},\"datePublished\":\"2023-07-27T08:38:01+00:00\",\"dateModified\":\"2023-07-27T08:38:01+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/nl\/#\/schema\/person\/d4b8842173cca1bb62cdec41860e4219\"},\"description\":\"In deze tutorial wordt uitgelegd hoe u pijlen tekent op Matplotlib-plots, met verschillende voorbeelden.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/nl\/matplotlib-pijl\/#breadcrumb\"},\"inLanguage\":\"de\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/nl\/matplotlib-pijl\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/nl\/matplotlib-pijl\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Thuis\",\"item\":\"https:\/\/statorials.org\/nl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Hoe pijlen te tekenen in matplotlib\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/nl\/#website\",\"url\":\"https:\/\/statorials.org\/nl\/\",\"name\":\"Statorials\",\"description\":\"Uw gids voor statistische competentie\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/nl\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"de\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/nl\/#\/schema\/person\/d4b8842173cca1bb62cdec41860e4219\",\"name\":\"Dr.benjamin anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"de\",\"@id\":\"https:\/\/statorials.org\/nl\/#\/schema\/person\/image\/\",\"url\":\"http:\/\/statorials.org\/nl\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"http:\/\/statorials.org\/nl\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Dr.benjamin anderson\"},\"description\":\"Ik ben Benjamin, een gepensioneerde hoogleraar statistiek die nu een toegewijde Statorials-lesgever is. Ik heb uitgebreide ervaring en expertise op het gebied van statistiek en ik ben vastbesloten om mijn kennis te delen met studenten via Statorials. Lees verder\",\"sameAs\":[\"http:\/\/statorials.org\/nl\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Hoe pijlen te tekenen in Matplotlib \u2013 Statorials","description":"In deze tutorial wordt uitgelegd hoe u pijlen tekent op Matplotlib-plots, met verschillende voorbeelden.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/statorials.org\/nl\/matplotlib-pijl\/","og_locale":"de_DE","og_type":"article","og_title":"Hoe pijlen te tekenen in Matplotlib \u2013 Statorials","og_description":"In deze tutorial wordt uitgelegd hoe u pijlen tekent op Matplotlib-plots, met verschillende voorbeelden.","og_url":"https:\/\/statorials.org\/nl\/matplotlib-pijl\/","og_site_name":"Statorials","article_published_time":"2023-07-27T08:38:01+00:00","og_image":[{"url":"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/fleche1.png"}],"author":"Dr.benjamin anderson","twitter_card":"summary_large_image","twitter_misc":{"Verfasst von":"Dr.benjamin anderson","Gesch\u00e4tzte Lesezeit":"2\u00a0Minuten"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/statorials.org\/nl\/matplotlib-pijl\/","url":"https:\/\/statorials.org\/nl\/matplotlib-pijl\/","name":"Hoe pijlen te tekenen in Matplotlib \u2013 Statorials","isPartOf":{"@id":"https:\/\/statorials.org\/nl\/#website"},"datePublished":"2023-07-27T08:38:01+00:00","dateModified":"2023-07-27T08:38:01+00:00","author":{"@id":"https:\/\/statorials.org\/nl\/#\/schema\/person\/d4b8842173cca1bb62cdec41860e4219"},"description":"In deze tutorial wordt uitgelegd hoe u pijlen tekent op Matplotlib-plots, met verschillende voorbeelden.","breadcrumb":{"@id":"https:\/\/statorials.org\/nl\/matplotlib-pijl\/#breadcrumb"},"inLanguage":"de","potentialAction":[{"@type":"ReadAction","target":["https:\/\/statorials.org\/nl\/matplotlib-pijl\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/statorials.org\/nl\/matplotlib-pijl\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Thuis","item":"https:\/\/statorials.org\/nl\/"},{"@type":"ListItem","position":2,"name":"Hoe pijlen te tekenen in matplotlib"}]},{"@type":"WebSite","@id":"https:\/\/statorials.org\/nl\/#website","url":"https:\/\/statorials.org\/nl\/","name":"Statorials","description":"Uw gids voor statistische competentie","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/statorials.org\/nl\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"de"},{"@type":"Person","@id":"https:\/\/statorials.org\/nl\/#\/schema\/person\/d4b8842173cca1bb62cdec41860e4219","name":"Dr.benjamin anderson","image":{"@type":"ImageObject","inLanguage":"de","@id":"https:\/\/statorials.org\/nl\/#\/schema\/person\/image\/","url":"http:\/\/statorials.org\/nl\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg","contentUrl":"http:\/\/statorials.org\/nl\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg","caption":"Dr.benjamin anderson"},"description":"Ik ben Benjamin, een gepensioneerde hoogleraar statistiek die nu een toegewijde Statorials-lesgever is. Ik heb uitgebreide ervaring en expertise op het gebied van statistiek en ik ben vastbesloten om mijn kennis te delen met studenten via Statorials. Lees verder","sameAs":["http:\/\/statorials.org\/nl"]}]}},"yoast_meta":{"yoast_wpseo_title":"","yoast_wpseo_metadesc":"","yoast_wpseo_canonical":""},"_links":{"self":[{"href":"https:\/\/statorials.org\/nl\/wp-json\/wp\/v2\/posts\/1190","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/statorials.org\/nl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/statorials.org\/nl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/statorials.org\/nl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/statorials.org\/nl\/wp-json\/wp\/v2\/comments?post=1190"}],"version-history":[{"count":0,"href":"https:\/\/statorials.org\/nl\/wp-json\/wp\/v2\/posts\/1190\/revisions"}],"wp:attachment":[{"href":"https:\/\/statorials.org\/nl\/wp-json\/wp\/v2\/media?parent=1190"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/statorials.org\/nl\/wp-json\/wp\/v2\/categories?post=1190"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/statorials.org\/nl\/wp-json\/wp\/v2\/tags?post=1190"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}