{"id":996,"date":"2023-07-28T01:29:05","date_gmt":"2023-07-28T01:29:05","guid":{"rendered":"https:\/\/statorials.org\/pt\/curva-suave-matplotlib\/"},"modified":"2023-07-28T01:29:05","modified_gmt":"2023-07-28T01:29:05","slug":"curva-suave-matplotlib","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/curva-suave-matplotlib\/","title":{"rendered":"Como tra\u00e7ar uma curva suave no matplotlib"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Freq\u00fcentemente, voc\u00ea pode querer tra\u00e7ar uma curva suave no Matplotlib para um gr\u00e1fico de linhas. Felizmente, isso \u00e9 f\u00e1cil de fazer usando as seguintes fun\u00e7\u00f5es do SciPy:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><a href=\"https:\/\/docs.scipy.org\/doc\/scipy\/reference\/generated\/scipy.interpolate.make_interp_spline.html\" target=\"_blank\" rel=\"noopener noreferrer\">scipy.interpolate.make_interp_spline()<\/a><\/span><\/li>\n<li> <span style=\"color: #000000;\"><a href=\"https:\/\/docs.scipy.org\/doc\/scipy\/reference\/generated\/scipy.interpolate.BSpline.html\" target=\"_blank\" rel=\"noopener noreferrer\">scipy.interpolate.BSpline()<\/a><\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Este tutorial explica como usar essas fun\u00e7\u00f5es na pr\u00e1tica.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo: tra\u00e7ando uma curva suave no Matplotlib<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como criar um gr\u00e1fico de linhas simples para um conjunto de dados:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #107d3f;\">import<\/span> numpy <span style=\"color: #107d3f;\">as<\/span> np\n<span style=\"color: #107d3f;\">import<\/span> matplotlib.pyplot <span style=\"color: #107d3f;\">as<\/span> plt\n\n<span style=\"color: #008080;\">#create data<\/span>\nx = np.array([1, 2, 3, 4, 5, 6, 7, 8])\ny = np.array([4, 9, 12, 30, 45, 88, 140, 230])\n\n<span style=\"color: #008080;\">#create line chart<\/span>\nplt. <span style=\"color: #3366ff;\">plot<\/span> (x,y)\nplt. <span style=\"color: #3366ff;\">show<\/span> ()\n<\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-10342 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/lisse1.png\" alt=\"\" width=\"453\" height=\"339\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Observe que o gr\u00e1fico de linhas n\u00e3o \u00e9 completamente suave, pois os dados subjacentes n\u00e3o seguem uma linha suave. Podemos usar o seguinte c\u00f3digo para criar uma curva suave para este conjunto de dados:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">from<\/span> scipy.interpolate <span style=\"color: #008000;\">import<\/span> make_interp_spline, BSpline\n\n<span style=\"color: #008080;\">#createdata<\/span>\nx = np.array([1, 2, 3, 4, 5, 6, 7, 8])\ny = np.array([4, 9, 12, 30, 45, 88, 140, 230])\n\n<span style=\"color: #008080;\">#define x as 200 equally spaced values between the min and max of original x<\/span> \nxnew = np. <span style=\"color: #3366ff;\">linspace<\/span> ( <span style=\"color: #993300;\">x.min<\/span> (), <span style=\"color: #993300;\">x.max<\/span> (), <span style=\"color: #008000;\">200<\/span> ) \n\n<span style=\"color: #008080;\">#define spline<\/span>\nspl = <span style=\"color: #3366ff;\">make_interp_spline<\/span> (x, y, k= <span style=\"color: #008000;\">3<\/span> )\ny_smooth = <span style=\"color: #3366ff;\">spl<\/span> (xnew)\n\n<span style=\"color: #008080;\">#create smooth line chart<\/span> \nplt. <span style=\"color: #3366ff;\">plot<\/span> (xnew, y_smooth)\nplt. <span style=\"color: #3366ff;\">show<\/span> ()\n<\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-10343 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/lisse2.png\" alt=\"Curva suave no Matplotlib\" width=\"456\" height=\"335\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Observe que quanto maior o grau usado para o argumento <strong>k<\/strong> , mais \u201condulada\u201d ser\u00e1 a curva. Por exemplo, considere o seguinte gr\u00e1fico com <strong>k=7<\/strong> :<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">from<\/span> scipy.interpolate <span style=\"color: #008000;\">import<\/span> make_interp_spline, BSpline\n\n<span style=\"color: #008080;\">#createdata<\/span>\nx = np.array([1, 2, 3, 4, 5, 6, 7, 8])\ny = np.array([4, 9, 12, 30, 45, 88, 140, 230])\n\n<span style=\"color: #008080;\">#define x as 200 equally spaced values between the min and max of original x<\/span> \nxnew = np. <span style=\"color: #3366ff;\">linspace<\/span> ( <span style=\"color: #993300;\">x.min<\/span> (), <span style=\"color: #993300;\">x.max<\/span> (), <span style=\"color: #008000;\">200<\/span> ) \n\n<span style=\"color: #008080;\">#define spline with degree k=7<\/span>\nspl = <span style=\"color: #3366ff;\">make_interp_spline<\/span> (x, y, k= <span style=\"color: #008000;\">7<\/span> )\ny_smooth = <span style=\"color: #3366ff;\">spl<\/span> (xnew)\n\n<span style=\"color: #008080;\">#create smooth line chart<\/span> \nplt. <span style=\"color: #3366ff;\">plot<\/span> (xnew, y_smooth)\nplt. <span style=\"color: #3366ff;\">show<\/span> ()<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-10346 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/lisse3.png\" alt=\"Spline curva suave em Matplotlib\" width=\"431\" height=\"317\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Dependendo da curvatura que voc\u00ea deseja que a linha tenha, voc\u00ea pode alterar o valor de k.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Recursos adicionais<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/pt\/grade-de-exibicao-matplotlib\/\" target=\"_blank\" rel=\"noopener noreferrer\">Como mostrar linhas de grade em gr\u00e1ficos Matplotlib<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/matplotlib-remove-carrapatos\/\" target=\"_blank\" rel=\"noopener noreferrer\">Como remover carrapatos de gr\u00e1ficos Matplotlib<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/grafico-de-log-matplotlib\/\" target=\"_blank\" rel=\"noopener noreferrer\">Como criar gr\u00e1ficos Matplotlib com escalas logar\u00edtmicas<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Freq\u00fcentemente, voc\u00ea pode querer tra\u00e7ar uma curva suave no Matplotlib para um gr\u00e1fico de linhas. Felizmente, isso \u00e9 f\u00e1cil de fazer usando as seguintes fun\u00e7\u00f5es do SciPy: scipy.interpolate.make_interp_spline() scipy.interpolate.BSpline() Este tutorial explica como usar essas fun\u00e7\u00f5es na pr\u00e1tica. Exemplo: tra\u00e7ando uma curva suave no Matplotlib O c\u00f3digo a seguir mostra como criar um gr\u00e1fico de [&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-996","post","type-post","status-publish","format-standard","hentry","category-guia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Como tra\u00e7ar uma curva suave no Matplotlib - Estatologia<\/title>\n<meta name=\"description\" content=\"Uma explica\u00e7\u00e3o simples de como tra\u00e7ar uma curva suave no Matplotlib, incluindo v\u00e1rios exemplos.\" \/>\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\/pt\/curva-suave-matplotlib\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como tra\u00e7ar uma curva suave no Matplotlib - Estatologia\" \/>\n<meta property=\"og:description\" content=\"Uma explica\u00e7\u00e3o simples de como tra\u00e7ar uma curva suave no Matplotlib, incluindo v\u00e1rios exemplos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/curva-suave-matplotlib\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-28T01:29:05+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/lisse1.png\" \/>\n<meta name=\"author\" content=\"Dr. benjamim anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dr. benjamim anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pt\/curva-suave-matplotlib\/\",\"url\":\"https:\/\/statorials.org\/pt\/curva-suave-matplotlib\/\",\"name\":\"Como tra\u00e7ar uma curva suave no Matplotlib - Estatologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-28T01:29:05+00:00\",\"dateModified\":\"2023-07-28T01:29:05+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Uma explica\u00e7\u00e3o simples de como tra\u00e7ar uma curva suave no Matplotlib, incluindo v\u00e1rios exemplos.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/curva-suave-matplotlib\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/curva-suave-matplotlib\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/curva-suave-matplotlib\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como tra\u00e7ar uma curva suave no matplotlib\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/pt\/#website\",\"url\":\"https:\/\/statorials.org\/pt\/\",\"name\":\"Statorials\",\"description\":\"O seu guia para a literacia estat\u00edstica!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/pt\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"pt-PT\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\",\"name\":\"Dr. benjamim anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-PT\",\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Dr. benjamim anderson\"},\"description\":\"Ol\u00e1, sou Benjamin, um professor aposentado de estat\u00edstica que se tornou professor dedicado na Statorials. Com vasta experi\u00eancia e conhecimento na \u00e1rea de estat\u00edstica, estou empenhado em compartilhar meu conhecimento para capacitar os alunos por meio de Statorials. Saber mais\",\"sameAs\":[\"https:\/\/statorials.org\/pt\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Como tra\u00e7ar uma curva suave no Matplotlib - Estatologia","description":"Uma explica\u00e7\u00e3o simples de como tra\u00e7ar uma curva suave no Matplotlib, incluindo v\u00e1rios exemplos.","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\/pt\/curva-suave-matplotlib\/","og_locale":"pt_PT","og_type":"article","og_title":"Como tra\u00e7ar uma curva suave no Matplotlib - Estatologia","og_description":"Uma explica\u00e7\u00e3o simples de como tra\u00e7ar uma curva suave no Matplotlib, incluindo v\u00e1rios exemplos.","og_url":"https:\/\/statorials.org\/pt\/curva-suave-matplotlib\/","og_site_name":"Statorials","article_published_time":"2023-07-28T01:29:05+00:00","og_image":[{"url":"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/lisse1.png"}],"author":"Dr. benjamim anderson","twitter_card":"summary_large_image","twitter_misc":{"Escrito por":"Dr. benjamim anderson","Tempo estimado de leitura":"2 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/statorials.org\/pt\/curva-suave-matplotlib\/","url":"https:\/\/statorials.org\/pt\/curva-suave-matplotlib\/","name":"Como tra\u00e7ar uma curva suave no Matplotlib - Estatologia","isPartOf":{"@id":"https:\/\/statorials.org\/pt\/#website"},"datePublished":"2023-07-28T01:29:05+00:00","dateModified":"2023-07-28T01:29:05+00:00","author":{"@id":"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666"},"description":"Uma explica\u00e7\u00e3o simples de como tra\u00e7ar uma curva suave no Matplotlib, incluindo v\u00e1rios exemplos.","breadcrumb":{"@id":"https:\/\/statorials.org\/pt\/curva-suave-matplotlib\/#breadcrumb"},"inLanguage":"pt-PT","potentialAction":[{"@type":"ReadAction","target":["https:\/\/statorials.org\/pt\/curva-suave-matplotlib\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/statorials.org\/pt\/curva-suave-matplotlib\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Lar","item":"https:\/\/statorials.org\/pt\/"},{"@type":"ListItem","position":2,"name":"Como tra\u00e7ar uma curva suave no matplotlib"}]},{"@type":"WebSite","@id":"https:\/\/statorials.org\/pt\/#website","url":"https:\/\/statorials.org\/pt\/","name":"Statorials","description":"O seu guia para a literacia estat\u00edstica!","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/statorials.org\/pt\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"pt-PT"},{"@type":"Person","@id":"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666","name":"Dr. benjamim anderson","image":{"@type":"ImageObject","inLanguage":"pt-PT","@id":"https:\/\/statorials.org\/pt\/#\/schema\/person\/image\/","url":"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg","contentUrl":"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg","caption":"Dr. benjamim anderson"},"description":"Ol\u00e1, sou Benjamin, um professor aposentado de estat\u00edstica que se tornou professor dedicado na Statorials. Com vasta experi\u00eancia e conhecimento na \u00e1rea de estat\u00edstica, estou empenhado em compartilhar meu conhecimento para capacitar os alunos por meio de Statorials. Saber mais","sameAs":["https:\/\/statorials.org\/pt"]}]}},"yoast_meta":{"yoast_wpseo_title":"","yoast_wpseo_metadesc":"","yoast_wpseo_canonical":""},"_links":{"self":[{"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/posts\/996","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/comments?post=996"}],"version-history":[{"count":0,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/posts\/996\/revisions"}],"wp:attachment":[{"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/media?parent=996"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/categories?post=996"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/tags?post=996"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}