{"id":5678,"date":"2025-07-15T13:34:44","date_gmt":"2025-07-15T13:34:44","guid":{"rendered":"https:\/\/functiontranslator.com\/log\/"},"modified":"2021-02-26T09:58:56","modified_gmt":"2021-02-26T09:58:56","slug":"log10","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/cs\/log10\/","title":{"rendered":"LOG"},"content":{"rendered":"

\u00davod<\/h2>\n

Funkce LOG10<\/strong>, neboli des\u00edtkov\u00fd logaritmus, je v Excelu a Google Sheets nezbytn\u00fdm n\u00e1strojem pro v\u00fdpo\u010det logaritmu zadan\u00e9ho \u010d\u00edsla s z\u00e1kladem 10. Tato funkce se \u0161iroce pou\u017e\u00edv\u00e1 ve finan\u010dn\u00ed anal\u00fdze, in\u017een\u00fdrstv\u00ed, datov\u00e9 v\u011bd\u011b a statistice pro linearizaci exponenci\u00e1ln\u00edch dat, co\u017e ji \u010din\u00ed d\u016fle\u017eit\u00fdm n\u00e1strojem pro mnoho v\u00fdpo\u010detn\u00edch aplikac\u00ed.<\/p>\n

Syntaxe funkce<\/h2>\n

Syntaxe funkce LOG10<\/code> v MS Excel a Google Sheets je n\u00e1sleduj\u00edc\u00ed:<\/p>\n

LOG10(\u010d\u00edslo)<\/code><\/pre>\n
    \n
  • \u010d\u00edslo<\/strong> – Hodnota, pro kterou se vypo\u010d\u00edt\u00e1 des\u00edtkov\u00fd logaritmus. Tato hodnota mus\u00ed b\u00fdt kladn\u00e1.<\/li>\n<\/ul>\n
    P\u0159\u00edklady pou\u017eit\u00ed<\/h2>\n
    Pro v\u00fdpo\u010det des\u00edtkov\u00e9ho logaritmu:<\/p>\n
    LOG10(100) \/\/ V\u00fdsledek je 2, proto\u017ee 10^2 = 100<\/code><\/pre>\n
    V p\u0159\u00edpad\u011b z\u00e1porn\u00e9ho \u010d\u00edsla nebo nuly jako vstupu:<\/p>\n
    LOG10(0) \/\/ Zp\u016fsob\u00ed chybu, logaritmus nuly nen\u00ed definov\u00e1n LOG10(-10) \/\/ Zp\u016fsob\u00ed chybu, nebo\u0165 logaritmus z\u00e1porn\u00e9ho \u010d\u00edsla v re\u00e1ln\u00fdch \u010d\u00edslech nen\u00ed mo\u017en\u00fd<\/code><\/pre>\n
    Praktick\u00e9 aplikace funkce<\/h2>\n
    1. P\u0159evody mezi dB (decibel) a line\u00e1rn\u00edmi jednotkami<\/h3>\n
    V elektrotechnice a akustice se \u010dasto pou\u017e\u00edv\u00e1 des\u00edtkov\u00fd logaritmus pro p\u0159evody mezi decibely a line\u00e1rn\u00edmi jednotkami v\u00fdkonu. Decibel je logaritmick\u00e1 m\u00edra v\u00fdkonu definovan\u00e1 jako:<\/p>\n
    dB = 10 * LOG10(P1 \/ P0)<\/code><\/pre>\n
    kde P1<\/strong> je zm\u011b\u0159en\u00fd v\u00fdkon a P0<\/strong> je referen\u010dn\u00ed v\u00fdkon.<\/p>\n
    P\u0159\u00edklad:<\/p>\n\n\n\n
    P1<\/th>\nP0<\/th>\ndB<\/th>\n<\/tr>\n
    1000 W<\/td>\n1 W<\/td>\n=10 * LOG10(1000\/1)<\/td>\n<\/tr>\n<\/table>\n
    V tomto p\u0159\u00edkladu je v\u00fdsledn\u00fdch 30 dB.<\/p>\n
    2. Normalizace dat<\/h3>\n
    Logaritmus je tak\u00e9 u\u017eite\u010dn\u00fd pro normalizaci dat rozlo\u017een\u00fdch v exponenci\u00e1ln\u00ed \u0161k\u00e1le na line\u00e1rn\u011bj\u0161\u00ed form\u00e1t, co\u017e usnad\u0148uje jejich anal\u00fdzu a vizualizaci. Pou\u017eit\u00edm LOG10<\/code> m\u016f\u017eete transformovat data na jednodu\u0161eji interpretovatelnou \u0161k\u00e1lu.<\/p>\n
    P\u0159\u00edklad pou\u017eit\u00ed:<\/p>\n
    Data: 1, 10, 100, 1000, 10000 Normalizovan\u00e1 data: LOG10(A2:A6)<\/code><\/pre>\n\n\n\n\n\n\n\n
    Origin\u00e1ln\u00ed Data<\/th>\nNormalizovan\u00e9 Data<\/th>\n<\/tr>\n
    1<\/td>\n0<\/td>\n<\/tr>\n
    10<\/td>\n1<\/td>\n<\/tr>\n
    100<\/td>\n2<\/td>\n<\/tr>\n
    1000<\/td>\n3<\/td>\n<\/tr>\n
    10000<\/td>\n4<\/td>\n<\/tr>\n<\/table>\n
    Tato transformace umo\u017e\u0148uje lep\u0161\u00ed vizualizaci a porozum\u011bn\u00ed rozd\u00edl\u016fm mezi jednotliv\u00fdmi \u00farovn\u011bmi dat.<\/p>\n","protected":false},"excerpt":{"rendered":"
    Vr\u00e1t\u00ed dekadick\u00fd logaritmus \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-5678","post","type-post","status-publish","format-standard","hentry","category-matematicke-a-trigonometricke"],"acf":[],"yoast_head":"\nFunkce LOG10 (LOG) v Excelu: jak funguje, primjeri kori\u0161tenja formule<\/title>\n<meta name=\"description\" content=\"Opis funkcije LOG10 (LOG) u Excelu i Google tablicama. Sintaksa, parametri funkcije te prakti\u010dni primjeri.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/functiontranslator.com\/cs\/log10\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Funkce LOG10 (LOG) v Excelu: jak funguje, primjeri kori\u0161tenja formule\" \/>\n<meta property=\"og:description\" content=\"Opis funkcije LOG10 (LOG) u Excelu i Google tablicama. Sintaksa, parametri funkcije te prakti\u010dni primjeri.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/functiontranslator.com\/cs\/log10\/\" \/>\n<meta property=\"og:site_name\" content=\"Function Translator\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-15T13:34:44+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-02-26T09:58:56+00:00\" \/>\n<meta name=\"author\" content=\"glavadmin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Funkce LOG10 (LOG) v Excelu: jak funguje, primjeri kori\u0161tenja formule\" \/>\n<meta name=\"twitter:label1\" content=\"Napsal(a)\" \/>\n\t<meta name=\"twitter:data1\" content=\"glavadmin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Odhadovan\u00e1 doba \u010dten\u00ed\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minuty\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/functiontranslator.com\/cs\/log10\/\",\"url\":\"https:\/\/functiontranslator.com\/cs\/log10\/\",\"name\":\"Funkce LOG10 (LOG) v Excelu: jak funguje, primjeri kori\u0161tenja formule\",\"isPartOf\":{\"@id\":\"https:\/\/functiontranslator.com\/no\/#website\"},\"datePublished\":\"2025-07-15T13:34:44+00:00\",\"dateModified\":\"2021-02-26T09:58:56+00:00\",\"author\":{\"@id\":\"https:\/\/functiontranslator.com\/no\/#\/schema\/person\/87663eece497ca58643166ecb09f1389\"},\"description\":\"Opis funkcije LOG10 (LOG) u Excelu i Google tablicama. Sintaksa, parametri funkcije te prakti\u010dni primjeri.\",\"breadcrumb\":{\"@id\":\"https:\/\/functiontranslator.com\/cs\/log10\/#breadcrumb\"},\"inLanguage\":\"cs\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/functiontranslator.com\/cs\/log10\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/functiontranslator.com\/cs\/log10\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Funkce aplikace Excel\",\"item\":\"https:\/\/functiontranslator.com\/cs\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Matematick\u00e9 a trigonometrick\u00e9\",\"item\":\"https:\/\/functiontranslator.com\/cs\/matematicke-a-trigonometricke\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"LOG\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/functiontranslator.com\/no\/#website\",\"url\":\"https:\/\/functiontranslator.com\/no\/\",\"name\":\"Function Translator\",\"description\":\"Excel function translator\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/functiontranslator.com\/no\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"cs\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/functiontranslator.com\/no\/#\/schema\/person\/87663eece497ca58643166ecb09f1389\",\"name\":\"glavadmin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"cs\",\"@id\":\"https:\/\/functiontranslator.com\/no\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/03ccd9347c5339db75deede5a8c5b2bf1d40e0bce26a5251fcaac6331d381db8?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/03ccd9347c5339db75deede5a8c5b2bf1d40e0bce26a5251fcaac6331d381db8?s=96&d=mm&r=g\",\"caption\":\"glavadmin\"},\"sameAs\":[\"https:\/\/functiontranslator.com\"],\"url\":\"https:\/\/functiontranslator.com\/cs\/author\/glavadmin\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Funkce LOG10 (LOG) v Excelu: jak funguje, primjeri kori\u0161tenja formule","description":"Opis funkcije LOG10 (LOG) u Excelu i Google tablicama. Sintaksa, parametri funkcije te prakti\u010dni primjeri.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/functiontranslator.com\/cs\/log10\/","og_locale":"cs_CZ","og_type":"article","og_title":"Funkce LOG10 (LOG) v Excelu: jak funguje, primjeri kori\u0161tenja formule","og_description":"Opis funkcije LOG10 (LOG) u Excelu i Google tablicama. Sintaksa, parametri funkcije te prakti\u010dni primjeri.","og_url":"https:\/\/functiontranslator.com\/cs\/log10\/","og_site_name":"Function Translator","article_published_time":"2025-07-15T13:34:44+00:00","article_modified_time":"2021-02-26T09:58:56+00:00","author":"glavadmin","twitter_card":"summary_large_image","twitter_title":"Funkce LOG10 (LOG) v Excelu: jak funguje, primjeri kori\u0161tenja formule","twitter_misc":{"Napsal(a)":"glavadmin","Odhadovan\u00e1 doba \u010dten\u00ed":"2 minuty"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/functiontranslator.com\/cs\/log10\/","url":"https:\/\/functiontranslator.com\/cs\/log10\/","name":"Funkce LOG10 (LOG) v Excelu: jak funguje, primjeri kori\u0161tenja formule","isPartOf":{"@id":"https:\/\/functiontranslator.com\/no\/#website"},"datePublished":"2025-07-15T13:34:44+00:00","dateModified":"2021-02-26T09:58:56+00:00","author":{"@id":"https:\/\/functiontranslator.com\/no\/#\/schema\/person\/87663eece497ca58643166ecb09f1389"},"description":"Opis funkcije LOG10 (LOG) u Excelu i Google tablicama. Sintaksa, parametri funkcije te prakti\u010dni primjeri.","breadcrumb":{"@id":"https:\/\/functiontranslator.com\/cs\/log10\/#breadcrumb"},"inLanguage":"cs","potentialAction":[{"@type":"ReadAction","target":["https:\/\/functiontranslator.com\/cs\/log10\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/functiontranslator.com\/cs\/log10\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Funkce aplikace Excel","item":"https:\/\/functiontranslator.com\/cs\/"},{"@type":"ListItem","position":2,"name":"Matematick\u00e9 a trigonometrick\u00e9","item":"https:\/\/functiontranslator.com\/cs\/matematicke-a-trigonometricke\/"},{"@type":"ListItem","position":3,"name":"LOG"}]},{"@type":"WebSite","@id":"https:\/\/functiontranslator.com\/no\/#website","url":"https:\/\/functiontranslator.com\/no\/","name":"Function Translator","description":"Excel function translator","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/functiontranslator.com\/no\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"cs"},{"@type":"Person","@id":"https:\/\/functiontranslator.com\/no\/#\/schema\/person\/87663eece497ca58643166ecb09f1389","name":"glavadmin","image":{"@type":"ImageObject","inLanguage":"cs","@id":"https:\/\/functiontranslator.com\/no\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/03ccd9347c5339db75deede5a8c5b2bf1d40e0bce26a5251fcaac6331d381db8?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/03ccd9347c5339db75deede5a8c5b2bf1d40e0bce26a5251fcaac6331d381db8?s=96&d=mm&r=g","caption":"glavadmin"},"sameAs":["https:\/\/functiontranslator.com"],"url":"https:\/\/functiontranslator.com\/cs\/author\/glavadmin\/"}]}},"_links":{"self":[{"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/posts\/5678","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/comments?post=5678"}],"version-history":[{"count":2,"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/posts\/5678\/revisions"}],"predecessor-version":[{"id":30816,"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/posts\/5678\/revisions\/30816"}],"wp:attachment":[{"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/media?parent=5678"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/categories?post=5678"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/functiontranslator.com\/cs\/wp-json\/wp\/v2\/tags?post=5678"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}