{"id":5800,"date":"2025-07-15T13:34:45","date_gmt":"2025-07-15T13:34:45","guid":{"rendered":"https:\/\/functiontranslator.com\/sign\/"},"modified":"2021-02-26T10:03:06","modified_gmt":"2021-02-26T10:03:06","slug":"sign","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/cs\/sign\/","title":{"rendered":"SIGN"},"content":{"rendered":"

\u00davod do funkce pro ur\u010den\u00ed znam\u00e9nka \u010d\u00edsla<\/h2>\n

Funkce pro identifikaci znam\u00e9nka \u010d\u00edsla je u\u017eite\u010dn\u00fd n\u00e1stroj v aplikac\u00edch jako MS Excel a Google Tabulky. Tato funkce vrac\u00ed \u010d\u00edslo +1, 0 nebo -1, co\u017e odpov\u00edd\u00e1 kladn\u00e9mu, nulov\u00e9mu, nebo z\u00e1porn\u00e9mu vstupn\u00edmu hodnot\u011b. <\/p>\n

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

V MS Excel i Google Tabulk\u00e1ch m\u00e1 funkce pro zji\u0161t\u011bn\u00ed znam\u00e9nka n\u00e1sleduj\u00edc\u00ed syntaxi: <\/p>\n

SIGN(\u010d\u00edslo)<\/code><\/pre>\n
 Kde \u010d\u00edslo<\/code> p\u0159edstavuje hodnotu, u kter\u00e9 chceme zjistit znam\u00e9nko. Hodnota m\u016f\u017ee b\u00fdt zaps\u00e1na p\u0159\u00edmo, nebo jako odkaz na bu\u0148ku obsahuj\u00edc\u00ed \u010d\u00edselnou hodnotu. <\/p>\n
P\u0159\u00edklad:<\/strong><\/p>\n
SIGN(-123) Vr\u00e1t\u00ed -1 SIGN(0) Vr\u00e1t\u00ed 0 SIGN(45.67) Vr\u00e1t\u00ed 1<\/code><\/pre>\n
P\u0159\u00edklady vyu\u017eit\u00ed v praxi<\/h2>\n
    \n
  • Rozhodov\u00e1n\u00ed na z\u00e1klad\u011b znam\u00e9nka:<\/strong> Tato funkce je u\u017eite\u010dn\u00e1 p\u0159i anal\u00fdze finan\u010dn\u00edch dat, kde m\u016f\u017eeme cht\u00edt r\u016fzn\u011b reagovat na kladn\u00e9 a z\u00e1porn\u00e9 hodnoty. Nap\u0159\u00edklad m\u016f\u017eeme nastavit podm\u00edn\u011bn\u00e9 form\u00e1tov\u00e1n\u00ed, aby kladn\u00e9 hodnoty byly zelen\u00e9 a z\u00e1porn\u00e9 \u010derven\u00e9.<\/li>\n
  • Statistick\u00e9 anal\u00fdzy:<\/strong> Ve statistik\u00e1ch m\u016f\u017ee b\u00fdt tato funkce vyu\u017eita pro ur\u010den\u00ed tendenc\u00ed v datech, nap\u0159\u00edklad p\u0159i sledov\u00e1n\u00ed zm\u011bn hodnot p\u0159es \u010das a rychl\u00e9 identifikace sm\u011bru zm\u011bn.<\/li>\n<\/ul>\n
    Podrobn\u00fd pr\u016fvodce \u0159e\u0161en\u00edmi<\/h2>\n
    \u00dakol 1: Rozd\u011blen\u00ed \u010d\u00edsel podle znam\u00e9nka<\/strong><\/p>\n
    P\u0159edstavme si, \u017ee m\u00e1me seznam \u010d\u00edsel a chceme je automaticky kategorizovat na z\u00e1klad\u011b jejich znam\u00e9nka do t\u0159\u00ed r\u016fzn\u00fdch kategori\u00ed: ‚Kladn\u00e9‘, ‚Nula‘, ‚Z\u00e1porn\u00e9‘.<\/p>\n
    A1: 23 A2: -7 A3: 0 A4: 45 A5: -1 B1: =IF(SIGN(A1)>0, \"Kladn\u00e9\", IF(SIGN(A1)<0, \"Z\u00e1porn\u00e9\", \"Nula\")) B2: =IF(SIGN(A2)>0, \"Kladn\u00e9\", IF(SIGN(A2)<0, \"Z\u00e1porn\u00e9\", \"Nula\")) B3: =IF(SIGN(A3)>0, \"Kladn\u00e9\", IF(SIGN(A3)<0, \"Z\u00e1porn\u00e9\", \"Nula\")) B4: =IF(SIGN(A4)>0, \"Kladn\u00e9\", IF(SIGN(A4)<0, \"Z\u00e1porn\u00e9\", \"Nula\")) B5: =IF(SIGN(A5)>0, \"Kladn\u00e9\", IF(SIGN(A5)<0, \"Z\u00e1porn\u00e9\", \"Nula\"))<\/code><\/pre>\n
    Koment\u00e1\u0159:<\/strong> V tomto p\u0159\u00edklad\u011b v bu\u0148ce vedle ka\u017ed\u00e9ho \u010d\u00edsla vytvo\u0159\u00edme formuli, kter\u00e1 testuje v\u00fdsledek funkce SIGN a na z\u00e1klad\u011b v\u00fdsledku p\u0159i\u0159ad\u00ed p\u0159\u00edslu\u0161nou kategorii.<\/p>\n
    \u00dakol 2: Pou\u017eit\u00ed v podm\u00edn\u011bn\u00e9m form\u00e1tov\u00e1n\u00ed<\/strong><\/p>\n
    P\u0159edstavme si, \u017ee pot\u0159ebujeme zv\u00fdraznit kladn\u00e9 a z\u00e1porn\u00e9 hodnoty v seznamu r\u016fzn\u00fdch \u010d\u00edsel r\u016fzn\u00fdmi barvami.<\/p>\n
    Postup: <\/p>\n
      \n
    • Vybereme oblast s \u010d\u00edsly.<\/li>\n
    • V menu Form\u00e1tov\u00e1n\u00ed vybereme 'Podm\u00edn\u011bn\u00e9 form\u00e1tov\u00e1n\u00ed'.<\/li>\n
    • Nastav\u00edme pravidlo tak, aby pou\u017e\u00edvalo formuli: =SIGN(A1)=1<\/code> pro barvu zelenou a =SIGN(A1)=-1<\/code> pro barvu \u010dervenou.<\/li>\n
    • Aplikujeme pravidlo a uvid\u00edme, jak se kladn\u00e9 a z\u00e1porn\u00e9 hodnoty zv\u00fdrazn\u00ed p\u0159\u00edslu\u0161n\u011b.<\/li>\n<\/ul>\n
      Koment\u00e1\u0159:<\/strong> Tento p\u0159\u00edstup pom\u00e1h\u00e1 rychle vizu\u00e1ln\u011b identifikovat kladn\u00e9 a z\u00e1porn\u00e9 hodnoty ve v\u011bt\u0161\u00edch datech.<\/p>\n","protected":false},"excerpt":{"rendered":"
      Vr\u00e1t\u00ed znam\u00e9nko \u010d\u00edsla<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[282],"tags":[],"class_list":["post-5800","post","type-post","status-publish","format-standard","hentry","category-matematicke-a-trigonometricke"],"acf":[],"yoast_head":"\nFunkce SIGN v Excelu: jak funguje, primjeri kori\u0161tenja formule<\/title>\n<meta name=\"description\" content=\"Opis funkcije SIGN u Excelu i Google tablicama. 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