{"id":5439,"date":"2025-07-15T13:34:44","date_gmt":"2025-07-15T13:34:44","guid":{"rendered":"https:\/\/functiontranslator.com\/besselk\/"},"modified":"2021-02-26T09:50:22","modified_gmt":"2021-02-26T09:50:22","slug":"besselk","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/cs\/besselk\/","title":{"rendered":"BESSELK"},"content":{"rendered":"<p>Funkce BESSELK je speci\u00e1ln\u00ed matematick\u00fd n\u00e1stroj v MS Excel a Google Sheets ur\u010den\u00fd pro v\u00fdpo\u010det upraven\u00e9 Besselovy funkce druh\u00e9ho druhu, K<sub>n<\/sub>(x). Tato funkce je \u0161iroce vyu\u017e\u00edv\u00e1na hlavn\u011b v oboru in\u017een\u00fdrstv\u00ed a fyzik\u00e1ln\u00edch v\u011bd, kde nach\u00e1z\u00ed uplatn\u011bn\u00ed v aplikac\u00edch zab\u00fdvaj\u00edc\u00edch se nap\u0159\u00edklad tepeln\u00fdm z\u00e1\u0159en\u00edm, elektromagnetismem a dynamikou struktur.<\/p>\n<h2>Syntaxe a pou\u017eit\u00ed funkce<\/h2>\n<p>Syntaxe funkce BESSELK v Excelu a Google Sheets je podobn\u00e1 a vy\u017eaduje zad\u00e1n\u00ed dvou argument\u016f:<\/p>\n<ul>\n<li>n: \u010c\u00edseln\u00fd \u0159\u00e1d Besselovy funkce (mus\u00ed b\u00fdt nez\u00e1porn\u00e9 cel\u00e9 \u010d\u00edslo).<\/li>\n<li>x: Hodnota, pro kterou se m\u00e1 funkce vypo\u010d\u00edtat (mus\u00ed b\u00fdt kladn\u00e9 re\u00e1ln\u00e9 \u010d\u00edslo).<\/li>\n<\/ul>\n<p>Uk\u00e1zka pou\u017eit\u00ed funkce BESSELK v MS Excel nebo Google Sheets:<\/p>\n<pre> <code>=BESSELK(2, 4.5)<\/code> <\/pre>\n<p>Tento p\u0159\u00edklad vr\u00e1t\u00ed hodnotu upraven\u00e9 Besselovy funkce druh\u00e9ho druhu, \u0159\u00e1du 2, pro x = 4.5.<\/p>\n<h2>Praktick\u00e9 aplikace<\/h2>\n<p>Funkce BESSELK se uplat\u0148uje v mnoha technick\u00fdch a v\u011bdeck\u00fdch oblastech. Zde jsou uvedeny dva p\u0159\u00edklady jej\u00edho praktick\u00e9ho vyu\u017eit\u00ed:<\/p>\n<h2>P\u0159\u00edklad 1: V\u00fdpo\u010det tlumen\u00ed ve fyzice \u010d\u00e1stic<\/h2>\n<p>Ve fyzice \u010d\u00e1stic m\u016f\u017ee b\u00fdt funkce BESSELK vyu\u017eita pro v\u00fdpo\u010det tlumen\u00ed vln\u011bn\u00ed \u010d\u00e1stic. P\u0159\u00edkladem m\u016f\u017ee b\u00fdt v\u00fdpo\u010det K<sub>0<\/sub>(1.5) pro ur\u010den\u00ed tlumen\u00ed v konkr\u00e9tn\u00edm prost\u0159ed\u00ed:<\/p>\n<pre> <code>=BESSELK(0, 1.5)<\/code> <\/pre>\n<p>Tento v\u00fdpo\u010det poskytne hodnotu nult\u00e9ho \u0159\u00e1du Besselovy funkce pro x = 1.5, co\u017e je z\u00e1sadn\u00ed pro ur\u010den\u00ed intenzity vln\u011bn\u00ed.<\/p>\n<h2>P\u0159\u00edklad 2: In\u017een\u00fdrsk\u00e9 aplikace p\u0159i anal\u00fdze konstrukc\u00ed<\/h2>\n<p>P\u0159i anal\u00fdze vibrac\u00ed konstrukc\u00ed m\u016f\u017ee b\u00fdt tak\u00e9 pot\u0159eba pou\u017e\u00edt Besselovy funkce. Nap\u0159\u00edklad, vypo\u010d\u00edtejte BESSELK pro t\u0159et\u00ed \u0159\u00e1d a hodnotu 3.2:<\/p>\n<pre> <code>=BESSELK(3, 3.2)<\/code> <\/pre>\n<p>Tento v\u00fdpo\u010det poskytne informace o chov\u00e1n\u00ed materi\u00e1lu pod vlivem vn\u011bj\u0161\u00edch vibrac\u00ed p\u0159i dan\u00e9 frekvenci.<\/p>\n<p>V t\u011bchto p\u0159\u00edkladech slou\u017e\u00ed Besselova funkce K jako d\u016fle\u017eit\u00fd n\u00e1stroj pro v\u00fdpo\u010dty tlumen\u00ed a \u0161\u00ed\u0159en\u00ed vlastnost\u00ed v r\u016fzn\u00fdch fyzik\u00e1ln\u00edch syst\u00e9mech.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vr\u00e1t\u00ed modifikovanou Besselovu funkci Kn(x)<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[288],"tags":[],"class_list":["post-5439","post","type-post","status-publish","format-standard","hentry","category-inzenyrske"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Funkce BESSELK v Excelu: jak funguje, primjeri kori\u0161tenja formule<\/title>\n<meta name=\"description\" content=\"Opis funkcije BESSELK u Excelu i Google tablicama. 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