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  1. #1
    Registered User dreamtouch's Avatar
    Join Date: Feb:2008
    Location: Bulgaria
    Posts: 28

    C++ çàäà÷à

    çäðàâåéòå!áèõòå ëè ïîìîãíàëè çà íàïèñâàíåòî íà ïðîãðàìêà,êîÿòî ÷ðåç ìåòîäà íà ðàçïîëîâÿâàíåòî íàìèðà åäèí ðåàëåí êîðåí íà f(x)=x^5+3 ?

  2. #2
    philosophus duratea icaci's Avatar
    Join Date: Oct:2006
    Location: Aachen
    Posts: 2,698
    Ùå ïîìîãíåì, íî òðÿáâà äà äàäåø íÿêàêâà çàãîòîâêà. Âèæ âòîðàòà çàëåïåíà òåìà â íà÷àëîòî íà ïîäôîðóìà. Îñâåí òîâà, íÿêîëêî òåìè ïî-äîëó èìà ïîäîáíà òåìà, êúäåòî ñúì íàïèñàë ïðèìåðíà ðåàëèçàöèÿ íà ìåòîäà.
    Internet - it doesn't make you stupid, it just makes your stupidity more accessible to others

  3. #3
    Registered User dreamtouch's Avatar
    Join Date: Feb:2008
    Location: Bulgaria
    Posts: 28
    #include <iostream>
    using namespace std;
    #include <math.h>

    double F(double x)
    { double res = pow((x),5) - 3;
    return res;
    }
    void print_roots(){

    double low, high;
    cout<<"low=";
    cin>>low;
    cout<<"high=";
    cin>>high;
    ........
    âåðîÿòíî êîäà å äàëå÷ îò òåìàòà... íåçíàì

  4. #4
    ɐ-əpoɔᴉu⋂ ɐí íəÔ anrieff's Avatar
    Join Date: Apr:2004
    Location: Sofia
    Posts: 8,448
    Ïîãëåäíè http://en.wikipedia.org/wiki/Binary_search
    ðàçëèêàòà å åäèíñòâåíî, ïîíåæå ñðàâíÿâàø ðåàëíè ÷èñëà, äà ïðàâèø ñðàâíåíèÿòà ñ ïðàã çà ãðåøêà (åïñèëîí). Ò.å. äà ïðåêðàòèø àëãîðèòúìà ïðè (high - low) < EPS, êúäåòî EPS òè å íÿêàêâî ìàëêî ÷èñëî, íàïðèìåð 1å-9.
    Åòî òàêà ñå ïëîäÿò òå, êàçâàì ñè àç. Ïîä íîñà òè.
    "640K îught to be enough for anybody" - Bill Gates, 1981
    Òåñòîâå íà áàòåðèè::Machine specs::Fract::AGG::ÍåÑåÑúðäè×îâå÷å::Baileys::blog::YouTube channel

  5. #5
    Registered User
    Join Date: Dec:2007
    Location: Íèêúäå
    Posts: 655
    Å, êàòî ùå äàâàòå àäðåñè, ïîíå äàâàéòå òî÷íè âðúçêè. icaci ìàé ãîâîðè çà òàçè òåìà.

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