{"id":114,"date":"2020-07-18T12:18:31","date_gmt":"2020-07-18T12:18:31","guid":{"rendered":"https:\/\/okankaradag.com\/?p=114"},"modified":"2021-04-20T15:28:13","modified_gmt":"2021-04-20T15:28:13","slug":"bankers-round-nedir-nasil-calisir","status":"publish","type":"post","link":"https:\/\/okankaradag.com\/en\/csharp\/bankers-round-nedir-nasil-calisir","title":{"rendered":"Banker&#8217;s Round (Bankac\u0131 yuvarlamas\u0131)"},"content":{"rendered":"<p>Bu yaz\u0131mda C sharp&#8217; ta  say\u0131lar\u0131 yuvarlamada default olarak kullan\u0131lan bankac\u0131 yuvarlamas\u0131n\u0131n, nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 ve neden en iyi algoritma oldu\u011fundan bahsedece\u011fim<\/p>\n\n\n\n<p>\u00d6ncelikle a\u015fa\u011f\u0131daki yuvarlamalar ve \u00e7\u0131kt\u0131lar\u0131n\u0131 inceleyelim<\/p>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"theme:github lang:c# decode:true\" > Console.WriteLine(\"4.5 = \" + decimal.Round(4.5m));\n Console.WriteLine(\"5.5 = \" + decimal.Round(5.5m));<\/pre><\/div>\n\n\n\n<p>\u00c7\u0131kt\u0131:<\/p>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"theme:github lang:ps decode:true\" >4.5 = 4\n5.5 = 6<\/pre><\/div>\n\n\n\n<p>Algoritma \u00e7al\u0131\u015fma mant\u0131\u011f\u0131 basit,<strong> yuvarlanacak ondal\u0131k say\u0131n\u0131n en yak\u0131n \u00e7ift say\u0131s\u0131na yuvarl\u0131yor<\/strong> yukar\u0131daki \u00f6rnek gibi 4.5&#8217;e en yak\u0131n ondal\u0131k \u00e7ift say\u0131 4, 5.5&#8217;e en yak\u0131n \u00e7ift say\u0131 ise 6&#8217;d\u0131r.Algoritmay\u0131 anlad\u0131\u011f\u0131m\u0131za g\u00f6re \u015fimdi, yuvarlamada neden en iyi algoritma onu inceleyelim.<\/p>\n\n\n\n<p>Elimizde a\u015fa\u011f\u0131da tan\u0131mlanan bir say\u0131 k\u00fcmesi oldu\u011funu varsayal\u0131m ve bu dizinin ortalamas\u0131n\u0131 3 farkl\u0131 y\u00f6ntemle ele alal\u0131m. \u0130lki ger\u00e7ek y\u00f6ntem, \u0130kinci y\u00f6ntem olan Math.Ceiling ise en yak\u0131n say\u0131ya yuvarlama y\u00f6ntemi, \u00dc\u00e7\u00fcnc\u00fc y\u00f6ntem ise makalemizin ana konusu olan bankac\u0131 yuvarlamas\u0131. <\/p>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"theme:github lang:c# decode:true\" >var dizi = new[] { 1.5m, 2.5m, 3.5m, 5.5m, 6.5m, 7.5m, 7.5m, 8.5m, 9.5m, 10.5m, 4.5m, 15.5m };\nvar toplamBankerRound = 0;\nvar toplamEnBuyukSayiRound = 0;\nfor (int i = 0; i &lt; dizi.Length; i++)\n {\n    var sayiBanker = (int)Math.Round(dizi[i]);\n    var sayiCeiling = (int)Math.Ceiling(dizi[i]);\n    toplamEnBuyukSayiRound += sayiCeiling;\n    toplamBankerRound += sayiBanker;\n  }\nConsole.WriteLine(\"En Yak\u0131n Say\u0131ya Yuvarlanan Say\u0131lar\u0131n Toplam\u0131: \" + toplamEnBuyukSayiRound);\nConsole.WriteLine(\"Bankac\u0131 Yuvarlamas\u0131 ile Say\u0131lar\u0131n Toplam\u0131: \" + toplamBankerRound);\nConsole.WriteLine(\"Say\u0131lar\u0131n Ger\u00e7ek Toplam\u0131: \" + dizi.Sum());\nConsole.WriteLine(\"********************************************************\");\nConsole.WriteLine(\"Bankac\u0131 Yuvarlamas\u0131 ile Say\u0131lar\u0131n Ortalamas\u0131: \" + toplamBankerRound \/ dizi.Length);\nConsole.WriteLine(\"En Yak\u0131n Say\u0131ya Yuvarlanan Say\u0131lar\u0131n Ortalamas\u0131: \" + toplamEnBuyukSayiRound \/ dizi.Length);\nConsole.WriteLine(\"Ger\u00e7ek Ortalama: \" + dizi.Average());<\/pre><\/div>\n\n\n\n<p>\u00c7\u0131kt\u0131:<\/p>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"theme:github lang:ps decode:true\" >En Yakin Sayiya Yuvarlanan Sayilarin Toplami: 89\nBankaci Yuvarlamasi ile Sayilarin Toplami: 84\nSayilarin Ger\u00e7ek Toplami: 83,0\n********************************************************\nBankaci Yuvarlamasi ile Sayilarin Ortalamasi: 7\nEn Yakin Sayiya Yuvarlanan Sayilarin Ortalamasi: 7\nGer\u00e7ek Ortalama: 6,9166666666666666666666666667<\/pre><\/div>\n\n\n\n<p>Ortalama al\u0131n\u0131rken fark olmasa da genel toplamda en yak\u0131n sonucu bankac\u0131 yuvarlamas\u0131 veriyor.<\/p>\n\n\n\n<p><strong>Nedeni<\/strong> ise, bu\u00e7uklu say\u0131lar\u0131n yuvarlamas\u0131n\u0131 e\u015fit bir \u015fekilde a\u015fa\u011f\u0131 yada yukar\u0131 olarak da\u011f\u0131t\u0131yor b\u00f6ylece ger\u00e7ek sonuca daha yak\u0131n \u00e7\u0131k\u0131yor.<\/p>\n\n\n\n<p> <\/p>","protected":false},"excerpt":{"rendered":"<p>Bu yaz\u0131mda C sharp&#8217; ta say\u0131lar\u0131 yuvarlamada default olarak kullan\u0131lan bankac\u0131 yuvarlamas\u0131n\u0131n, nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 ve neden en iyi algoritma oldu\u011fundan bahsedece\u011fim \u00d6ncelikle a\u015fa\u011f\u0131daki yuvarlamalar ve \u00e7\u0131kt\u0131lar\u0131n\u0131 inceleyelim \u00c7\u0131kt\u0131: Algoritma \u00e7al\u0131\u015fma mant\u0131\u011f\u0131 basit, yuvarlanacak ondal\u0131k&#46;&#46;&#46;<\/p>","protected":false},"author":1,"featured_media":121,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[17],"tags":[38,39,36],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.13 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Banker&#039;s Round (Bankac\u0131 yuvarlamas\u0131) - Okan Karada\u011f<\/title>\n<meta name=\"description\" content=\"Bu yaz\u0131mda C sharp&#039; ta say\u0131lar\u0131 yuvarlamada default olarak kullan\u0131lan bankac\u0131 yuvarlamas\u0131n\u0131n, nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 ve neden en iyi algoritma oldu\u011fundan bahsedece\u011fim\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/okankaradag.com\/en\/csharp\/bankers-round-nedir-nasil-calisir\" \/>\n<meta property=\"og:locale\" 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