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Thread: C++ çàäà÷à
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21st May 2008 19:34 #1
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 ?
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21st May 2008 19:40 #2
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
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21st May 2008 20:09 #3
#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
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21st May 2008 20:36 #4
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
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21st May 2008 20:50 #5Registered User
Join Date: Dec:2007
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Å, êàòî ùå äàâàòå àäðåñè, ïîíå äàâàéòå òî÷íè âðúçêè. icaci ìàé ãîâîðè çà òàçè òåìà.




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