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MATRIS DE ESAS KOSEGEN

Last update: 2/22/2012 5:19:00 AM

Yazan ve Cevaplayan:Fatih KABAKCI

Bu soru Chip Online sayfasında 30.12.2010 tarihinde Matella adlı kullanıcı tarafından sorulmuştur.

Gelen Soru: 1.Dışardan girilen bir matrisin esas köşegeni üzerinde bulunan elemanların kareleri toplamını bulan c prog yazınız.

Verilen Cevap:

1.Ilk olarak bir matrisin esas köşegenlerini,yani asal köşegenlerini bulmak istedigimizde,matrisin ilgili indislerinin eşitliği bulunan noktalara bakmamız gerecektir.Ornegin asagıdaki 3-3 bir matrisi goz onune alırsak,
 
M11 M12 M13
M21 M22 M23
M31 M32 M33
Yukarıda verilen matrisin asal köşegenleri sırasıyla M11,M22 ve M33 olacaktır.Soruda bizden istenen ise,bu sayıların karelerinin toplamıdır.O halde C dilinde yazacagımız kod asagıdaki gibi olabilir.
 
#include <stdio.h>
#define boy 2
int main()  {
    int matrix[boy][boy]={
                          {1,2},
                          {2,4}
                          };           
    int i,sum=0;
    for(i=0;i<boy;i++)
    sum+=matrix[i][i] * matrix[i][i];
    printf("Asal Kosegenlerin Toplami:%d",sum);
    getchar();
    return 0;
}
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