{"id":1683,"date":"2023-11-11T14:31:11","date_gmt":"2023-11-11T14:31:11","guid":{"rendered":"https:\/\/exceladvisor.org\/it\/numero-casuale\/"},"modified":"2023-12-10T06:23:38","modified_gmt":"2023-12-10T06:23:38","slug":"numero-casuale","status":"publish","type":"page","link":"https:\/\/exceladvisor.org\/it\/numero-casuale\/","title":{"rendered":"Come generare numeri casuali in vba?"},"content":{"rendered":"<div class=\"excel-prima-del-contenuto\" id=\"excel-658168267\"><script type=\"text\/javascript\">\r\n\tatOptions = {\r\n\t\t'key' : 'c1158f160081d6540a8409e6925dab94',\r\n\t\t'format' : 'iframe',\r\n\t\t'height' : 250,\r\n\t\t'width' : 300,\r\n\t\t'params' : {}\r\n\t};\r\n<\/script>\r\n<script type=\"text\/javascript\" src=\"\/\/www.highperformanceformat.com\/c1158f160081d6540a8409e6925dab94\/invoke.js\"><\/script><\/div> <p>In VBA, puoi utilizzare diversi modi per generare un numero casuale in Excel e in questo articolo li esamineremo tutti uno per uno.<\/p><h2 class=\"wp-block-heading\"> Funzione RND<\/h2><p> Per generare un numero casuale, in VBA, esiste una funzione chiamata <a href=\"https:\/\/exceladvisor.org\/it\/rnd\/\">RND<\/a> . Questa funzione significa casuale e quando la usi nel codice restituisce un numero casuale compreso tra 0 e 1. In RND non \u00e8 necessario specificare alcun argomento.<\/p><pre class=\"wp-block-code\"> <code class=\"language-visual-basic\" lang=\"visual-basic\">Range(\"A1\") = Rnd()<\/code><\/pre><p> Il codice sopra lo utilizza per ottenere un numero casuale in A1 e restituisce 0,705547521. <\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-52247\" src=\"https:\/\/exceladvisor.org\/wp-content\/uploads\/2023\/08\/1-generer-un-nombre-aleatoire-dans-vba.png\" sizes=\"auto, \" srcset=\"\" alt=\"generare un numero casuale in vba\" width=\"511\" height=\"260\"><\/figure><\/div><p> Ma quando lo usi per un intero intervallo, restituisce lo stesso numero casuale nell&#8217;intero intervallo e ci\u00f2 lo rende nullo da utilizzare per generare numeri casuali pi\u00f9 di una volta. <\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-52248\" src=\"https:\/\/exceladvisor.org\/wp-content\/uploads\/2023\/08\/2-renvoie-le-meme-nombre-aleatoire.png\" sizes=\"auto, \" srcset=\"\" alt=\"restituisce lo stesso numero casuale\" width=\"572\" height=\"368\"><\/figure><\/div><p> Ora, qui non ha senso usarlo, vero? Ma esiste una soluzione che puoi utilizzare, <a href=\"https:\/\/exceladvisor.org\/it\/per-il-ciclo\/\">FOR NEXT LOOP<\/a> . <\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-52249\" src=\"https:\/\/exceladvisor.org\/wp-content\/uploads\/2023\/08\/3-utilisation-pour-la-boucle-suivante.png\" sizes=\"auto, \" srcset=\"\" alt=\"utilizzare per il ciclo successivo\" width=\"583\" height=\"407\"><\/figure><\/div><p> Nel codice sopra hai un ciclo che attraversa 10 celle (una per una) a partire dalla cella selezionata e aggiunge un numero casuale.<\/p><p> Ecco il codice completo:<\/p><pre class=\"wp-block-code\"> <code class=\"language-visual-basic\" lang=\"visual-basic\">Sub vba_random_number() Dim i As Long i = 10 For i = 1 To i ActiveCell.Value = Rnd() ActiveCell.Offset(1, 0).Select Next i End Sub<\/code><\/pre><h2 class=\"wp-block-heading\"> Numero casuale tra due numeri<\/h2><p> Se vuoi generare un numero casuale tra due numeri definiti, in questo caso devi scrivere il codice utilizzando due <a href=\"https:\/\/exceladvisor.org\/it\/funzioni\/\">funzioni VBA<\/a> ( <a href=\"https:\/\/exceladvisor.org\/it\/rnd\/\">RND<\/a> + <a href=\"https:\/\/exceladvisor.org\/it\/int\/\">INT<\/a> ). Il codice per questa formula sarebbe come di seguito. <\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-52250\" src=\"https:\/\/exceladvisor.org\/wp-content\/uploads\/2023\/08\/4-nombre-aleatoire-entre-deux-nombres.png\" sizes=\"auto, \" srcset=\"\" alt=\"numero-casuale-tra-due-numeri\" width=\"548\" height=\"293\"><\/figure><\/div><pre class=\"wp-block-code\"> <code class=\"language-visual-basic\" lang=\"visual-basic\">Sub vba_random_number() Dim myRnd As Integer myRnd = Int(2 + Rnd * (45 - 10 + 1)) Range(\"A1\") = myRnd End Sub<\/code><\/pre><p> Quando <a href=\"https:\/\/exceladvisor.org\/it\/eseguire-una-macro-2\/\">esegui questa macro<\/a> , RND utilizza il numero massimo e il numero minimo impostati per generare il numero casuale e INT rimuove la cifra decimale. <\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-52251\" src=\"https:\/\/exceladvisor.org\/wp-content\/uploads\/2023\/08\/5-rnd-utiliser-le-nombre-max-et-min.png\" sizes=\"auto, \" srcset=\"\" alt=\"rnd-usa-il-numero-max-e-min\" width=\"421\" height=\"205\"><\/figure><\/div><h2 class=\"wp-block-heading\"> Utilizzo delle funzioni del foglio di lavoro nel codice VBA per generare un numero casuale<\/h2><p> In VBA \u00e8 possibile accedere <a href=\"https:\/\/exceladvisor.org\/it\/funzione-foglio-di-calcolo\/\">alle funzioni del foglio di lavoro<\/a> e utilizzarle per ottenere un risultato specificando gli argomenti. Due <a href=\"https:\/\/exceladvisor.org\/it\/funzioni-di-excel\/\">funzioni del foglio di calcolo<\/a> possono aiutarti a ottenere un numero casuale nel risultato.<\/p><ul><li> RandTra<\/li><li> RandTableau<\/li><\/ul><p> Prima di utilizzare queste funzioni, assicurati di comprendere gli argomenti che devi impostare. Ora nel codice seguente hai RANDBETWEEN che genera un numero casuale tra due numeri. <\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-52252\" src=\"https:\/\/exceladvisor.org\/wp-content\/uploads\/2023\/08\/6-utiliser-randbetween-genere-un-nombre-aleatoire-entre-deux-nombres.png\" sizes=\"auto, \" srcset=\"\" alt=\"usa-randbetween-genera-un-numero-casuale-tra-due-numeri\" width=\"601\" height=\"213\"><\/figure><\/div><pre class=\"wp-block-code\"> <code class=\"language-visual-basic\" lang=\"visual-basic\">Range(\"A1\") = WorksheetFunction.RandBetween(1000, 2000)<\/code><\/pre><p> Qui il numero massimo \u00e8 2000 e il numero minimo \u00e8 1000. Allo stesso modo, puoi utilizzare RANDARRAY che \u00e8 una funzione di array dinamico.<\/p><p> Ecco il codice. <\/p><pre class=\"wp-block-code\"> <code class=\"language-visual-basic\" lang=\"visual-basic\">Range(\"A1:B10\") = WorksheetFunction.RandArray(10, 2, 1000, 2000, True)<\/code><\/pre><div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-52253\" src=\"https:\/\/exceladvisor.org\/wp-content\/uploads\/2023\/08\/7-utilisez-randarray-qui-est-une-fonction-de-tableau-dynamique.png\" sizes=\"auto, \" srcset=\"\" alt=\"usa-randarray-che-\u00e8-una-funzione-array-dinamica\" width=\"743\" height=\"275\"><\/figure><\/div><p> Se guardi la sintassi di RANDARRAY, scoprirai che puoi inserire numeri casuali in un intervallo intero, cosa che non \u00e8 possibile con tutti i metodi discussi sopra. <\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-52254\" src=\"https:\/\/exceladvisor.org\/wp-content\/uploads\/2023\/08\/8-syntaxe-de-randarray.png\" sizes=\"auto, \" srcset=\"\" alt=\"sintassi randarray\" width=\"396\" height=\"120\"><\/figure><\/div><div class=\"gb-container gb-container-4db6181c gb-container-mt\"> <a class=\"gb-button gb-button-c5897111 gb-button-text gb-button-mt-button\" href=\"https:\/\/exceladvisor.org\/it\/vba\/\">Cos&#8217;\u00e8 VBA<\/a><h2 class=\"gb-headline gb-headline-665e5f6b gb-headline-text gb-headline-mt-heading\"> Tutorial correlati <\/h2><div class=\"gb-grid-wrapper gb-grid-wrapper-a20baf7c gb-grid-wrapper-mt-grid\"><div class=\"gb-grid-column gb-grid-column-65ddf67e\"><div class=\"gb-container gb-container-65ddf67e\"><ul><li> <a href=\"https:\/\/exceladvisor.org\/it\/media-2\/\">Valori medi in Excel con VBA<\/a><\/li><li> <a href=\"https:\/\/exceladvisor.org\/it\/data-odierna-ora-corrente\/\">Ottieni la data e l&#8217;ora attuali utilizzando VBA<\/a><\/li><li> <a href=\"https:\/\/exceladvisor.org\/it\/somma-1\/\">Somma i valori in Excel utilizzando VBA<\/a> <\/li><\/ul><\/div><\/div><div class=\"gb-grid-column gb-grid-column-50067b57\"><div class=\"gb-container gb-container-50067b57\"><ul><li> <a href=\"https:\/\/exceladvisor.org\/it\/calcolare\/\">Calcolo VBA<\/a><\/li><li> <a href=\"https:\/\/exceladvisor.org\/it\/catena-1\/\">Concatena VBA<\/a><\/li><li> <a href=\"https:\/\/exceladvisor.org\/it\/funzione-foglio-di-calcolo\/\">Funzione foglio di calcolo VBA<\/a><\/li><\/ul><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"ub_ctt_via":"","footnotes":""},"class_list":["post-1683","page","type-page","status-publish","hentry"],"featured_image_src":null,"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ 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