{"id":5621,"date":"2025-07-15T13:34:45","date_gmt":"2025-07-15T13:34:45","guid":{"rendered":"https:\/\/functiontranslator.com\/imaginary\/"},"modified":"2021-02-26T09:56:55","modified_gmt":"2021-02-26T09:56:55","slug":"imaginary","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/cs\/imaginary\/","title":{"rendered":"IMAGINARY"},"content":{"rendered":"

\u00davod do pr\u00e1ce s imagin\u00e1rn\u00ed \u010d\u00e1st\u00ed komplexn\u00edho \u010d\u00edsla<\/h2>\n

Funkce IMAGINARY slou\u017e\u00ed v Microsoft Excel a Google Tabulk\u00e1ch k extrakci imagin\u00e1rn\u00ed \u010d\u00e1sti komplexn\u00edho \u010d\u00edsla zadan\u00e9ho ve form\u00e1tu textov\u00e9ho \u0159et\u011bzce. Komplexn\u00ed \u010d\u00edsla jsou z\u00e1kladn\u00edm stavebn\u00edm prvkem v mnoha oblastech aplikovan\u00e9 matematiky a fyziky, a tato funkce umo\u017e\u0148uje snadn\u011bji manipulovat s takov\u00fdmi daty p\u0159i anal\u00fdze a v\u00fdpo\u010dtech.<\/p>\n

Popis a syntaxe funkce<\/h2>\n

Syntaxe funkce vypad\u00e1 n\u00e1sledovn\u011b:<\/p>\n

IMAGINARY(komplexn\u00ed_\u010d\u00edslo)<\/code><\/pre>\n
Kde komplexn\u00ed_\u010d\u00edslo<\/code> je textov\u00fd \u0159et\u011bzec nebo odkaz na bu\u0148ku obsahuj\u00edc\u00ed komplexn\u00ed \u010d\u00edslo ve form\u00e1tu x + yi nebo x + yj, kde x a y jsou re\u00e1ln\u00e9 \u010d\u00edsla.<\/p>\n
P\u0159\u00edklady pou\u017eit\u00ed<\/h2>\n
P\u0159edstavte si, \u017ee m\u00e1me v bu\u0148ce A1 komplexn\u00ed \u010d\u00edslo ‚3+4i‘. K z\u00edsk\u00e1n\u00ed imagin\u00e1rn\u00ed \u010d\u00e1sti tohoto \u010d\u00edsla pou\u017eijeme funkci n\u00e1sledovn\u011b:<\/p>\n
=IMAGINARY(A1)<\/code><\/pre>\n
V\u00fdsledkem bude hodnota 4.<\/p>\n
Aplikace ve finan\u010dn\u00ed anal\u00fdze<\/h2>\n
Vyu\u017eit\u00ed imagin\u00e1rn\u00edch \u010d\u00edsel m\u016f\u017ee b\u00fdt u\u017eite\u010dn\u00e9 p\u0159i pokro\u010dil\u00e9 anal\u00fdze v oblasti elektrotechniky nebo kvantov\u00e9 fyziky, ale tak\u00e9 nap\u0159\u00edklad ve finan\u010dn\u00edch modelov\u00e1n\u00edch, kter\u00e9 zahrnuj\u00ed slo\u017eit\u011bj\u0161\u00ed v\u00fdpo\u010dty vln a oscilac\u00ed:<\/p>\n
    \n
  • Anal\u00fdza nap\u011bt\u00ed:<\/b> P\u0159i modelov\u00e1n\u00ed oscilac\u00ed nap\u011bt\u00ed ve st\u0159\u00eddav\u00fdch obvodech m\u016f\u017ee b\u00fdt imagin\u00e1rn\u00ed \u010d\u00e1st pou\u017eita k ur\u010den\u00ed f\u00e1ze nap\u011bt\u00ed.<\/li>\n
  • V\u00fdpo\u010det impedanc\u00ed:<\/b> V energetice se impedance \u010dasto vyjad\u0159uje pomoc\u00ed komplexn\u00edch \u010d\u00edsel, kde re\u00e1ln\u00e1 \u010d\u00e1st reprezentuje rezistenci a imagin\u00e1rn\u00ed \u010d\u00e1st reaktanci.<\/li>\n<\/ul>\n
    Analytick\u00e9 modelov\u00e1n\u00ed<\/h2>\n
    Pokud pracujete s daty obsahuj\u00edc\u00ed komplexn\u00ed \u010d\u00edsla ve va\u0161ich analytick\u00fdch model\u016f, m\u016f\u017eete pou\u017e\u00edt IMAGINARY k jednoduch\u00e9mu odd\u011blen\u00ed imagin\u00e1rn\u00edch \u010d\u00e1st\u00ed od re\u00e1ln\u00fdch. D\u00edky tomu m\u016f\u017eete l\u00e9pe pochopit slo\u017eky vln\u011bn\u00ed nebo kmit\u016f v datov\u00fdch sadech.<\/p>\n
    P\u0159\u00edklad: P\u0159edstavte si sadu dat s frekvencemi a odpov\u00eddaj\u00edc\u00edmi komplexn\u00edmi amplitudami. Extrakc\u00ed imagin\u00e1rn\u00edch komponent m\u016f\u017eete zjistit, jak\u00fd vliv maj\u00ed na v\u00fdsledn\u00e9 chov\u00e1n\u00ed syst\u00e9mu.<\/p>\n
    =IMAGINARY(\"1+2i\") - Vr\u00e1ti 2 =IMAGINARY(\"5-3i\") - Vr\u00e1ti -3<\/code><\/pre>\n
    Tato funkce je dostupn\u00e1 jak v Excel, tak i v Google Tabulk\u00e1ch a jej\u00ed pou\u017eit\u00ed je p\u0159\u00edmo\u010dar\u00e9 i pro u\u017eivatele, kte\u0159\u00ed nejsou experti na komplexn\u00ed \u010d\u00edsla.<\/p>\n","protected":false},"excerpt":{"rendered":"
    Vr\u00e1t\u00ed imagin\u00e1rn\u00ed \u010d\u00e1st komplexn\u00edho \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":[288],"tags":[],"class_list":["post-5621","post","type-post","status-publish","format-standard","hentry","category-inzenyrske"],"acf":[],"yoast_head":"\nFunkce IMAGINARY v Excelu: jak funguje, primjeri kori\u0161tenja formule<\/title>\n<meta name=\"description\" content=\"Opis funkcije IMAGINARY u Excelu i Google tablicama. 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