{"id":5457,"date":"2025-07-15T13:34:44","date_gmt":"2025-07-15T13:34:44","guid":{"rendered":"https:\/\/functiontranslator.com\/volat\/"},"modified":"2021-02-26T09:51:00","modified_gmt":"2021-02-26T09:51:00","slug":"call","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/cs\/call\/","title":{"rendered":"VOLAT"},"content":{"rendered":"

Funkce CALL<\/strong>, zn\u00e1m\u00e1 v nov\u00fdch verz\u00edch Excelu jako „VOL\u00c1N\u00cd“ v r\u00e1mci dynamick\u00fdch pol\u00ed, p\u0159edstavuje jednu z pokro\u010dil\u00fdch mo\u017enost\u00ed pro realizaci v\u00fdpo\u010dt\u016f nebo vol\u00e1n\u00ed procedur z extern\u00edch program\u016f \u010di datab\u00e1z\u00ed p\u0159\u00edmo do aplikac\u00ed, jako jsou Excel nebo Google Sheets. Tato funkce je velice univerz\u00e1ln\u00ed a umo\u017e\u0148uje pou\u017eit\u00ed r\u016fzn\u00fdch parametr\u016f a argument\u016f, kter\u00e9 definuj\u00ed specifick\u00fd v\u00fdstup.<\/p>\n

Pou\u017eit\u00ed a Syntaxe<\/h2>\n

Syntaxe funkce CALL se obvykle uv\u00e1d\u00ed n\u00e1sledovn\u011b:<\/p>\n

=CALL(dll_name, proc_name, call_type, arg1, [arg2], ...)<\/code><\/pre>\n
    \n
  • dll_name<\/code> – N\u00e1zev dynamick\u00e9 knihovny (DLL), ve kter\u00e9 je ulo\u017eena po\u017eadovan\u00e1 procedura.<\/li>\n
  • proc_name<\/code> – N\u00e1zev procedury nebo funkce, kterou je t\u0159eba vyvolat.<\/li>\n
  • call_type<\/code> – Typ vol\u00e1n\u00ed, kter\u00fd specifikuje, jak\u00e9 typy argument\u016f se p\u0159ed\u00e1vaj\u00ed.<\/li>\n
  • arg1, [arg2], ...<\/code> – Argumenty po\u017eadovan\u00e9 danou procedurou.<\/li>\n<\/ul>\n
    Poj\u010fme si prohl\u00e9dnout p\u0159\u00edklad, kde bychom pomoc\u00ed funkc\u00ed CALL mohli volat extern\u00ed funkci pro v\u00fdpo\u010det finan\u010dn\u00ed statistiky:<\/p>\n
    =CALL(\"finance.dll\", \"calculateRisk\", 1, A2, B2, C2)<\/code><\/pre>\n
    Aplikace ve financ\u00edch<\/h2>\n
    Funkce CALL je obzvl\u00e1\u0161t\u011b u\u017eite\u010dn\u00e1 ve financ\u00edch, kde je \u010dasto pot\u0159eba spol\u00e9hat se na v\u00fdpo\u010dty z\u00e1visl\u00e9 na extern\u00edch knihovn\u00e1ch nebo API.<\/p>\n
      \n
    • Hodnocen\u00ed investic:<\/strong> K vyhodnocen\u00ed investi\u010dn\u00edho portfolia m\u016f\u017ee b\u00fdt CALL pou\u017eita pro zavol\u00e1n\u00ed extern\u00edch v\u00fdpo\u010dtov\u00fdch n\u00e1stroj\u016f, kter\u00e9 poskytnou informace o o\u010dek\u00e1van\u00e9m v\u00fdnosu \u010di riziku.<\/li>\n<\/ul>\n
      P\u0159\u00edpadov\u00e1 studie – V\u00fdpo\u010det amortizace<\/h2>\n
      P\u0159edstavme si situaci, kde pot\u0159ebujeme spo\u010d\u00edtat amortizaci za\u0159\u00edzen\u00ed pomoc\u00ed konkr\u00e9tn\u00ed metody s pou\u017eit\u00edm extern\u00ed DLL knihovny.<\/p>\n
      =CALL(\"amortization.dll\", \"calculateAmortization\", 1, \"linear\", 500000, 10)<\/code><\/pre>\n
      V tomto p\u0159\u00edkladu vol\u00e1me funkci calculateAmortization<\/code> v knihovn\u011b amortization.dll<\/code> pro v\u00fdpo\u010det line\u00e1rn\u00ed amortizace aktiv v po\u0159izovac\u00ed cen\u011b 500000 s \u017eivotnost\u00ed 10 let.<\/p>\n
      \u0158e\u0161en\u00ed se zam\u011b\u0159en\u00edm na tr\u017eby<\/h2>\n
      Funkce CALL je d\u00e1le u\u017eite\u010dn\u00e1 pro dynamick\u00e9 anal\u00fdzy tr\u017eeb, kdy data o tr\u017eb\u00e1ch mohou b\u00fdt zpracov\u00e1v\u00e1na prost\u0159ednictv\u00edm r\u016fzn\u00fdch modul\u016f nebo extern\u00edch zdroj\u016f.<\/p>\n
      =CALL(\"sales.dll\", \"monthlySalesAnalysis\", 2, B2, \"2022\")<\/code><\/pre>\n
      Zde knihovna sales.dll<\/code> obsahuje proceduru monthlySalesAnalysis<\/code>, kter\u00e1 poskytuje anal\u00fdzu m\u011bs\u00ed\u010dn\u00edch tr\u017eeb z dat ulo\u017een\u00fdch v bu\u0148ce B2 pro rok 2022.<\/p>\n
      P\u0159i pou\u017e\u00edv\u00e1n\u00ed t\u00e9to funkce je kl\u00ed\u010dov\u00e9 m\u00edt jasn\u00fd p\u0159ehled o v\u00fdznamu v\u0161ech parametr\u016f a procedur a v\u011bd\u011bt, jak je spr\u00e1vn\u011b uplatnit. Jej\u00ed velkou v\u00fdhodou je modul\u00e1rn\u00ed p\u0159\u00edstup k \u0159e\u0161en\u00ed probl\u00e9m\u016f, umo\u017e\u0148uj\u00edc\u00ed efektivn\u00ed zpracov\u00e1n\u00ed velk\u00e9ho objemu dat prost\u0159ednictv\u00edm extern\u00edch zdroj\u016f.<\/p>\n","protected":false},"excerpt":{"rendered":"
      Zavol\u00e1 proceduru ulo\u017eenou v knihovn\u011b DLL nebo v soboru prost\u0159edk\u016f<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[290],"tags":[],"class_list":["post-5457","post","type-post","status-publish","format-standard","hentry","category-doplnek-a-automatizace"],"acf":[],"yoast_head":"\nFunkce CALL (VOLAT) v Excelu: jak funguje, primjeri kori\u0161tenja formule<\/title>\n<meta name=\"description\" content=\"Opis funkcije CALL (VOLAT) u Excelu i Google tablicama. 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