{"id":157,"date":"2023-06-25T01:46:18","date_gmt":"2023-06-25T01:46:18","guid":{"rendered":"https:\/\/physigeek.com\/it\/troncamento\/"},"modified":"2023-06-25T01:46:18","modified_gmt":"2023-06-25T01:46:18","slug":"troncamento","status":"publish","type":"post","link":"https:\/\/physigeek.com\/it\/troncamento\/","title":{"rendered":"Troncamento"},"content":{"rendered":"<p>Questo articolo spiega cos&#8217;\u00e8 il troncamento. Troverai quindi cosa significa troncare un numero in matematica, esempi di numeri approssimati tramite troncamento e, inoltre, un calcolatore online per troncare qualsiasi numero. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%C2%BFQue-es-el-truncamiento\"><\/span> Cos&#8217;\u00e8 il troncamento?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> In matematica <strong>il troncamento<\/strong> \u00e8 un&#8217;operazione in cui si riduce il numero delle cifre decimali eliminando quelle meno significative. In altre parole, il troncamento consiste nel cancellare le cifre a destra della cifra per la quale si desidera troncare.<\/p>\n<p> Ad esempio, troncare il numero 5.1869 in centesimi equivale a 5.18. <\/p>\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/exemple-de-troncature.png\" alt=\"troncamento\" class=\"wp-image-2858\" width=\"220\" height=\"220\" srcset=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/exemple-de-troncature-300x300.png 300w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/exemple-de-troncature-150x150.png 150w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/exemple-de-troncature.png 512w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"><\/figure>\n<p> Il troncamento viene spesso utilizzato nell&#8217;informatica per ridurre il numero di cifre con cui un processore pu\u00f2 lavorare.<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ejemplos-de-truncamientos\"><\/span>Esempi di troncamenti<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Una volta vista la definizione di troncamento, vedremo diversi esempi di questo tipo di operazioni matematiche per comprendere appieno il concetto:<\/p>\n<ul style=\"color:#4fd12f; font-weight: bold;\">\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">Troncamento per unit\u00e0 9 634 <strong><span style=\"color:#4fd12f\">\u2192<\/span><\/strong> 9<\/span><\/li>\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">Troncamento per decimi di 4.13958 <strong><span style=\"color:#4fd12f\">\u2192<\/span><\/strong> 4.1<\/span><\/li>\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">Troncamento al centesimo di 71.0442 <strong><span style=\"color:#4fd12f\">\u2192<\/span><\/strong> 71.04<\/span><\/li>\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">Troncamento al millesimo di 25.9057132 <strong><span style=\"color:#4fd12f\">\u2192<\/span><\/strong> 25.905<\/span><\/li>\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">Troncamento per diecimillesimi di 0,91471802 <strong><span style=\"color:#4fd12f\">\u2192<\/span><\/strong> 0,9147<\/span> <\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Calculadora-de-truncamiento\"><\/span> calcolatore di troncamento<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \u00c8 possibile utilizzare la seguente calcolatrice per troncare qualsiasi numero. Inserisci semplicemente il numero da troncare e il numero decimale a cui vuoi troncare. I numeri devono essere inseriti utilizzando il punto come punto decimale, ad esempio 5.1869. <\/p>\n<form action=\"\" method=\"post\">\n<div style=\"line-height:50px; background:#FEF9E7; padding:15px; border:2px solid #4FD12F; border-radius:15px; margin-bottom:20px\">\n<ul style=\"color:#4FD12F\">\n<li> <span style=\"color:#000000;font-weight: normal;\">Numero da troncare: <input name=\"datos\" style=\"border:1.5px solid #4FD12F; border-radius:5px;  padding:7px; color:#000000; width: 100px\" placeholder=\"5.1869\" required=\"\" oninvalid=\"this.setCustomValidity('Introduce el n\u00famero a truncar aqu\u00ed')\" oninput=\"this.setCustomValidity('')\"><\/span><\/li>\n<li> <span style=\"color:#000000;font-weight: normal;\">Numero decimale da troncare per: <input name=\"decimales\" style=\"border:1.5px solid #4FD12F; border-radius:5px;  padding:7px; color:#000000; width: 40px\" placeholder=\"2\" required=\"\" oninvalid=\"this.setCustomValidity('Introduce el n\u00famero de decimales que debe tener el n\u00famero despu\u00e9s de realizar el truncamiento')\" oninput=\"this.setCustomValidity('')\"><\/span> <\/li>\n<\/ul>\n<div style=\"text-align:center\"><input align=\"center\" style=\"font-size:105%; border-radius:30px; margin-top: 20px; margin-bottom:20px\" type=\"submit\" name=\"submit\" value=\"Troncare\"><\/div>\n<\/div>\n<\/form>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Truncamiento-y-redondeo\"><\/span> Troncamento e arrotondamento<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Il troncamento e l&#8217;arrotondamento sono due diversi tipi di approssimazioni, ovvero due modi diversi di approssimare un numero decimale.<\/p>\n<p> Quando si approssima un numero mediante <strong>arrotondamento<\/strong> , il numero desiderato di cifre decimali viene eliminato e, inoltre, l&#8217;ultima cifra viene aumentata di uno se la cifra pi\u00f9 grande rimossa \u00e8 uguale o maggiore di 5.<\/p>\n<p> Pertanto, l&#8217;approssimazione di un numero tramite troncamento o arrotondamento \u00e8 la stessa se la cifra pi\u00f9 grande rimossa \u00e8 inferiore a 5, questi due metodi approssimano un numero in modo diverso solo se la cifra pi\u00f9 grande rimossa \u00e8 uguale o maggiore di 5. <\/p>\n<div style=\"background-color:#FFFDE7; padding-top: 10px; padding-bottom: 10px; padding-right: 10px; padding-left: 20px; border: 2.5px dashed #FFB74D; border-radius:20px;\"> <span style=\"color:#ff951b\">\u27a4<\/span> <strong>Vedi:<\/strong> <a href=\"https:\/\/physigeek.com\/it\/girare\/\">esempi di arrotondamento<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Questo articolo spiega cos&#8217;\u00e8 il troncamento. Troverai quindi cosa significa troncare un numero in matematica, esempi di numeri approssimati tramite troncamento e, inoltre, un calcolatore online per troncare qualsiasi numero. Cos&#8217;\u00e8 il troncamento? In matematica il troncamento \u00e8 un&#8217;operazione in cui si riduce il numero delle cifre decimali eliminando quelle meno significative. In altre parole, &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/physigeek.com\/it\/troncamento\/\"> <span class=\"screen-reader-text\">Troncamento<\/span> Leggi altro &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","footnotes":""},"categories":[18],"tags":[],"class_list":["post-157","post","type-post","status-publish","format-standard","hentry","category-numeri"],"yoast_head":"<!-- This site is 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