{"id":5455,"date":"2025-07-15T13:34:44","date_gmt":"2025-07-15T13:34:44","guid":{"rendered":"https:\/\/functiontranslator.com\/bitrshift\/"},"modified":"2021-02-26T09:50:56","modified_gmt":"2021-02-26T09:50:56","slug":"bitrshift","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/cs\/bitrshift\/","title":{"rendered":"BITRSHIFT"},"content":{"rendered":"

Syntax a pou\u017eit\u00ed funkce BITRSHIFT pro posun bit\u016f doprava<\/h2>\n

Funkce BITRSHIFT je v Excelu i Google Sheets u\u017eite\u010dn\u00fdm n\u00e1strojem pro pr\u00e1ci s bin\u00e1rn\u00edmi \u010d\u00edsly. Umo\u017e\u0148uje posouvat bity \u010d\u00edsla o ur\u010dit\u00fd po\u010det pozic doprava. V tomto n\u00e1vodu se pod\u00edv\u00e1me na jej\u00ed syntaxi a vyu\u017eit\u00ed v praxi.<\/p>\n

Syntaxe funkce je:<\/p>\n

=BITRSHIFT(\u010d\u00edslo, posun)<\/code><\/pre>\n
    \n
  • \u010d\u00edslo<\/strong> – \u010d\u00edseln\u00fd argument, jeho\u017e bity budou posunuty. Argument mus\u00ed b\u00fdt cel\u00e9 \u010d\u00edslo.<\/li>\n
  • posun<\/strong> – po\u010det pozic, o kter\u00e9 se bity posunou. Kladn\u00e9 \u010d\u00edslo zna\u010d\u00ed posun doprava.<\/li>\n<\/ul>\n
    P\u0159\u00edklady praktick\u00e9ho pou\u017eit\u00ed<\/h2>\n
    N\u00ed\u017ee uv\u00e1d\u00edme dva p\u0159\u00edklady, kter\u00e9 ilustruj\u00ed, jak lze funkci BITRSHIFT efektivn\u011b vyu\u017e\u00edt.<\/p>\n
    P\u0159\u00edklad 1: V\u00fdpo\u010det poloviny hodnoty<\/h2>\n
    N\u011bkdy pot\u0159ebujeme rychle ur\u010dit polovinu cel\u00e9ho \u010d\u00edsla. S pomoc\u00ed funkce BITRSHIFT je to mo\u017en\u00e9 prov\u00e9st efektivn\u011bji ne\u017e standardn\u00edm d\u011blen\u00edm.<\/p>\n
    =BITRSHIFT(30, 1)<\/code><\/pre>\n
    Tento p\u0159\u00edklad vr\u00e1t\u00ed hodnotu 15, co\u017e je polovina z p\u016fvodn\u00edch 30.<\/p>\n
    P\u0159\u00edklad 2: Dek\u00f3dov\u00e1n\u00ed bitov\u011b zak\u00f3dovan\u00fdch pr\u00e1v<\/h2>\n
    P\u0159edstavme si syst\u00e9m, kter\u00fd pou\u017e\u00edv\u00e1 bitov\u011b zak\u00f3dovan\u00e1 pr\u00e1va, kde ka\u017ed\u00fd bit p\u0159edstavuje ur\u010dit\u00e9 opr\u00e1vn\u011bn\u00ed. Nap\u0159\u00edklad:<\/p>\n
      \n
    • 1. bit (nejni\u017e\u0161\u00ed) – pr\u00e1vo \u010d\u00edst<\/li>\n
    • 2. bit – pr\u00e1vo ps\u00e1t<\/li>\n
    • 3. bit – pr\u00e1vo mazat<\/li>\n<\/ul>\n
      Pro dek\u00f3dov\u00e1n\u00ed specifick\u00fdch pr\u00e1v z k\u00f3du pr\u00e1v m\u016f\u017eeme vyu\u017e\u00edt BITRSHIFT:<\/p>\n
      \/\/ M\u00e1me k\u00f3d pr\u00e1v 6, co\u017e bin\u00e1rn\u011b odpov\u00edd\u00e1 110 (pr\u00e1vo ps\u00e1t a mazat) \/\/ \u010cten\u00ed: =BITAND(BITRSHIFT(6, 0), 1) \/\/ Vr\u00e1t\u00ed 0 (nem\u00e1 pr\u00e1vo \u010d\u00edst) \/\/ Ps\u00e1t: =BITAND(BITRSHIFT(6, 1), 1) \/\/ Vr\u00e1t\u00ed 1 (m\u00e1 pr\u00e1vo ps\u00e1t) \/\/ Smazat: =BITAND(BITRSHIFT(6, 2), 1) \/\/ Vr\u00e1t\u00ed 1 (m\u00e1 pr\u00e1vo mazat)<\/code><\/pre>\n
      V tomto p\u0159\u00edpad\u011b BITRSHIFT<\/code> posunuje bity doprava a pak BITAND<\/code> identifikuje specifick\u00fd bit reprezentuj\u00edc\u00ed dan\u00e9 pr\u00e1vo.<\/p>\n
      Z\u00e1v\u011br<\/h2>\n
      Funkce BITRSHIFT v kombinaci s dal\u0161\u00edmi bitov\u00fdmi operacemi umo\u017e\u0148uje efektivn\u00ed manipulaci s \u010d\u00edsly na bin\u00e1rn\u00ed \u00farovni. Z uveden\u00fdch p\u0159\u00edklad\u016f je vid\u011bt, jak m\u016f\u017ee b\u00fdt funkce u\u017eite\u010dn\u00e1 pro r\u016fzn\u00e9 praktick\u00e9 \u00fa\u010dely ve spreadsheetov\u00fdch aplikac\u00edch.<\/p>\n","protected":false},"excerpt":{"rendered":"
      Vr\u00e1t\u00ed hodnotu \u010d\u00edsla posunutou doprava o po\u010det bit\u016f zadan\u00fd v oper\u00e1toru velikost_posunu<\/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-5455","post","type-post","status-publish","format-standard","hentry","category-inzenyrske"],"acf":[],"yoast_head":"\nFunkce BITRSHIFT v Excelu: jak funguje, primjeri kori\u0161tenja formule<\/title>\n<meta name=\"description\" content=\"Opis funkcije BITRSHIFT u Excelu i Google tablicama. 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